*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #6366f1;
  --accent-dark: #4f46e5;
  --accent-light: #e0e7ff;
  --purple: #8b5cf6;
  --bg: #0f0f13;
  --surface: #18181f;
  --surface2: #1e1e28;
  --surface3: #252533;
  --border: #2a2a3a;
  --text: #f1f1f5;
  --text-muted: #7b7b9a;
  --text-dim: #4a4a6a;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --sidebar-w: 220px;
  --call-btn: var(--accent);
  --call-btn-shadow: rgba(34,197,94,0.4);
  --key-bg: #1e1e28;
  --key-bg-hover: #252533;
  --key-sub: rgba(255,255,255,0.45);
}

html, body { height: 100%; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; -webkit-font-smoothing: antialiased; }

.hidden { display: none !important; }

/* ── Login ── */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,0.15) 0%, transparent 60%), var(--bg);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  width: 360px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}

.login-logo {
  text-align: center;
  margin-bottom: 36px;
}
.logo-icon { display: flex; justify-content: center; margin-bottom: 12px; }
.logo-icon svg { width: 56px; height: 56px; }
.login-title { font-size: 22px; font-weight: 700; letter-spacing: -0.3px; }
.login-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.field { margin-bottom: 16px; }
.field input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s;
}
.field input:focus { border-color: var(--accent); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: white;
  border: none;
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
}
.btn-primary:hover { opacity: 0.9; }
.btn-primary:active { transform: scale(0.98); }
.btn-primary.full-width { width: 100%; }

.login-error {
  text-align: center;
  color: var(--red);
  font-size: 13px;
  margin-top: 12px;
}

/* ── App Layout ── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
  margin-bottom: 24px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.sidebar-number {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 20px;
}
.number-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-muted); margin-bottom: 3px; }
.number-display { font-size: 15px; font-weight: 600; color: var(--accent); }

.nav-links { flex: 1; display: flex; flex-direction: column; gap: 2px; }

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, color .15s;
  text-align: left;
  width: 100%;
  position: relative;
}
.nav-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-btn:hover { background: var(--surface2); color: var(--text); }
.nav-btn.active { background: var(--accent-light); color: var(--accent); }
.nav-btn.active svg { stroke: var(--accent); }

.badge {
  background: var(--red);
  color: white;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  margin-left: auto;
}

.sidebar-bottom { display: flex; flex-direction: column; gap: 8px; }

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-indicator.online { color: var(--green); }
.status-indicator.online .status-dot { background: var(--green); box-shadow: 0 0 6px var(--green); }
.status-indicator.offline { color: var(--text-muted); }
.status-indicator.offline .status-dot { background: var(--text-muted); }

.logout-btn { color: var(--text-dim); }

/* ── App Header ── */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
  align-self: center;
  width: fit-content;
}
.header-top {
  display: flex;
  align-items: center;
  padding: 14px 20px 10px;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.brand-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
  line-height: 1;
}
.brand-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-number {
  font-size: 12px;
  color: var(--key-bg);
  font-weight: 600;
  letter-spacing: 0.3px;
  font-variant-numeric: tabular-nums;
}
.settings-inline-btn {
  margin-left: 1px;
  width: 22px;
  height: 22px;
  color: var(--text-muted);
}
/* ── Header Nav (horizontal sub-tabs) ── */
.header-nav {
  display: flex;
  align-items: stretch;
  border-top: 1px solid var(--border);
  padding: 0 12px;
  gap: 2px;
}
.header-nav .nav-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border-radius: 0;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: color .15s, border-color .15s;
  text-align: left;
  width: auto;
  position: relative;
  margin-bottom: -1px;
}
.header-nav .nav-btn svg { width: 15px; height: 15px; flex-shrink: 0; }
.header-nav .nav-btn:hover { color: var(--text); }
.header-nav .nav-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.header-nav .nav-btn.active svg { stroke: var(--accent); }

/* ── Content ── */
.content { flex: 1; overflow: hidden; display: flex; flex-direction: column; }

.tab { height: 100%; overflow: hidden; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.panel-header h2 { font-size: 15px; font-weight: 600; }

/* ── Calls Tab ── */
.calls-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
  padding: 20px;
  height: 100%;
}

.dial-panel { flex-shrink: 0; }

.dial-number-display {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}
#dial-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 2px;
  text-align: center;
}
#dial-input::placeholder { color: var(--text-dim); font-size: 16px; letter-spacing: 0; }
.backspace-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: color .15s;
}
.backspace-btn:hover { color: var(--text); }
.backspace-btn svg { width: 18px; height: 18px; display: block; }

.dial-pad {
  display: grid;
  grid-template-columns: repeat(3, 72px);
  gap: 8px;
  padding: 16px;
  justify-content: center;
}

.dial-key {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--key-bg);
  border: none;
  border-radius: 12px;
  padding: 24px 8px;
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  font-family: inherit;
  cursor: pointer;
  transition: background .1s, transform .1s;
  line-height: 1;
  user-select: none;
}
.dial-key span { font-size: 9px; color: var(--key-sub); letter-spacing: 1px; margin-top: 2px; font-weight: 400; }
.dial-key:hover { background: var(--key-bg-hover); }
.dial-key:active { transform: scale(0.95); filter: brightness(0.8); }

.call-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--call-btn);
  border: none;
  color: white;
  cursor: pointer;
  margin: 8px auto 20px;
  box-shadow: 0 4px 16px var(--call-btn-shadow);
  transition: transform .1s, box-shadow .1s;
}
.call-btn svg { width: 28px; height: 28px; }
.call-btn:hover { transform: scale(1.05); box-shadow: 0 6px 22px var(--call-btn-shadow); }
.call-btn:active { transform: scale(0.95); }
.call-btn.in-call { background: linear-gradient(135deg, var(--red), #dc2626); box-shadow: 0 4px 16px rgba(239,68,68,0.4); }
.call-btn.in-call:hover { box-shadow: 0 6px 20px rgba(239,68,68,0.5); }

.call-history { flex: 1; overflow-y: auto; padding: 8px; }
.call-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s;
}
.call-item:hover { background: var(--surface2); }
.call-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.call-icon.inbound { background: rgba(34,197,94,0.15); color: var(--green); }
.call-icon.outbound { background: rgba(99,102,241,0.15); color: var(--accent); }
.call-icon.missed { background: rgba(239,68,68,0.15); color: var(--red); }
.call-icon svg { width: 16px; height: 16px; }
.call-number { font-size: 13px; font-weight: 500; }
.call-time { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ── Messages Tab ── */
.messages-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  height: 100%;
  overflow: hidden;
}

.thread-list-panel {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.threads-header { flex-shrink: 0; }
.icon-btn {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--surface2); color: var(--text); }
.icon-btn svg { width: 18px; height: 18px; }

.thread-list { flex: 1; overflow-y: auto; }
.thread-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background .15s;
  border-bottom: 1px solid var(--border);
}
.thread-item:hover { background: var(--surface2); }
.thread-item.active { background: var(--surface3); }
.thread-avatar-sm {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}
.thread-meta { flex: 1; min-width: 0; }
.thread-number { font-size: 13px; font-weight: 600; }
.thread-preview { font-size: 12px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px; }
.thread-time { font-size: 11px; color: var(--text-dim); flex-shrink: 0; }
.thread-unread-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.message-thread-panel { display: flex; flex-direction: column; overflow: hidden; }

.thread-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-dim);
}
.thread-empty-state p { font-size: 14px; }

.thread-view { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.thread-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.thread-contact-info { display: flex; align-items: center; gap: 12px; }
.thread-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  color: white;
}
.thread-contact-name { font-size: 14px; font-weight: 600; }
.thread-contact-number { font-size: 12px; color: var(--text-muted); }
.call-from-thread { color: var(--accent); }
.call-from-thread:hover { background: var(--accent-light); color: var(--accent-dark); }

.thread-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.msg-bubble {
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.5;
  word-break: break-word;
}
.msg-bubble.inbound {
  background: var(--surface3);
  border: 1px solid var(--border);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.msg-bubble.outbound {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.msg-time {
  font-size: 10px;
  color: var(--text-dim);
  text-align: center;
  margin: 4px 0;
}

.thread-compose {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-shrink: 0;
}
#compose-input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 10px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  outline: none;
  resize: none;
  max-height: 120px;
  overflow-y: auto;
  transition: border-color .15s;
  line-height: 1.4;
}
#compose-input:focus { border-color: var(--accent); }
.send-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform .1s, opacity .15s;
}
.send-btn:hover { opacity: 0.9; }
.send-btn:active { transform: scale(0.95); }
.send-btn svg { width: 18px; height: 18px; }

/* ── Call Bar ── */
.call-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  min-width: 360px;
  z-index: 100;
  animation: slideUp .3s ease;
}
@keyframes slideUp {
  from { transform: translateX(-50%) translateY(20px); opacity: 0; }
  to { transform: translateX(-50%) translateY(0); opacity: 1; }
}
.call-bar-info { display: flex; align-items: center; gap: 12px; flex: 1; }
.call-bar-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), #16a34a);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 600; color: white;
}
.call-bar-number { font-size: 14px; font-weight: 600; }
.call-bar-status { font-size: 12px; color: var(--text-muted); }
.call-bar-controls { display: flex; align-items: center; gap: 10px; }
.call-ctrl {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
.call-ctrl svg { width: 18px; height: 18px; }
.mute-btn { background: var(--surface2); color: var(--text); }
.mute-btn:hover { background: var(--surface3); }
.mute-btn.active { background: var(--amber); color: white; }
.hangup-btn { background: var(--red); color: white; }
.hangup-btn:hover { background: #dc2626; }
.call-timer { font-size: 13px; font-weight: 600; color: var(--text-muted); min-width: 40px; text-align: right; }

/* ── Incoming Modal ── */
.incoming-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: fadeIn .2s ease;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.incoming-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  text-align: center;
  width: 300px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}
.incoming-ring-anim {
  position: relative;
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
}
.ring-pulse {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 2px solid var(--green);
  opacity: 0.4;
  animation: ringPulse 1.5s ease-in-out infinite;
}
@keyframes ringPulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.15); opacity: 0; }
}
.incoming-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), #16a34a);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 700; color: white;
}
.incoming-label { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 6px; }
.incoming-number { font-size: 20px; font-weight: 700; margin-bottom: 28px; }
.incoming-actions { display: flex; justify-content: center; gap: 32px; margin-bottom: 10px; }
.answer-btn, .decline-btn {
  width: 60px; height: 60px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .1s;
}
.answer-btn { background: var(--green); color: white; box-shadow: 0 4px 16px rgba(34,197,94,0.4); }
.decline-btn { background: var(--red); color: white; box-shadow: 0 4px 16px rgba(239,68,68,0.4); }
.answer-btn:hover, .decline-btn:hover { transform: scale(1.08); }
.answer-btn svg, .decline-btn svg { width: 24px; height: 24px; }
.incoming-labels { display: flex; justify-content: center; gap: 44px; font-size: 11px; color: var(--text-muted); }

/* ── Modal ── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 150;
}
.modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  width: 320px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.modal-header { display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 15px; font-weight: 600; }
.modal-card input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
.modal-card input:focus { border-color: var(--accent); }

/* ── Empty state ── */
.empty-state { padding: 32px; text-align: center; color: var(--text-dim); font-size: 13px; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ── SMS ── */
.sms-wrap { position: relative; height: 100%; overflow: hidden; }

.sms-threads-panel {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; overflow: hidden;
  transition: transform .22s ease;
}
.sms-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 14px;
}
.sms-compose-btn {
  background: var(--surface3); border: none; border-radius: 8px;
  padding: 6px; cursor: pointer; color: var(--text); display: flex; align-items: center; justify-content: center;
  transition: background .1s;
}
.sms-compose-btn:hover { background: var(--border); }

#sms-thread-list { flex: 1; overflow-y: auto; }

.sms-view-panel {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; overflow: hidden;
  transform: translateX(100%);
  transition: transform .22s ease;
}
.sms-wrap.thread-open .sms-threads-panel { transform: translateX(-100%); }
.sms-wrap.thread-open .sms-view-panel   { transform: translateX(0); }
.sms-view-empty {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; color: var(--text-dim); font-size: 13px;
}
.sms-view-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.sms-view-header {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.sms-back-btn {
  background: none; border: none; cursor: pointer; color: var(--text-muted);
  display: flex; align-items: center; padding: 4px;
}
.sms-back-btn:hover { color: var(--text); }
.sms-view-avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; flex-shrink: 0;
}
.sms-view-name { font-weight: 600; font-size: 14px; }
.sms-view-num { font-size: 11px; color: var(--text-muted); }
.call-from-sms-btn {
  margin-left: auto; background: var(--surface3); border: none; border-radius: 8px;
  padding: 7px; cursor: pointer; color: var(--text); display: flex; align-items: center;
  transition: background .1s;
}
.call-from-sms-btn:hover { background: var(--border); }

.sms-bubbles { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 4px; }
.msg-group { display: flex; flex-direction: column; }
.msg-time { text-align: center; font-size: 10px; color: var(--text-dim); margin: 8px 0 4px; }
.msg-bubble {
  max-width: 75%; padding: 9px 13px; border-radius: 18px;
  font-size: 14px; line-height: 1.45; word-break: break-word;
}
.msg-bubble.outbound {
  align-self: flex-end; background: var(--accent); color: white; border-bottom-right-radius: 4px;
}
.msg-bubble.inbound {
  align-self: flex-start; background: var(--surface3); color: var(--text); border-bottom-left-radius: 4px;
}

.sms-composer {
  display: flex; align-items: flex-end; gap: 8px;
  padding: 12px 16px; border-top: 1px solid var(--border); flex-shrink: 0;
}
#sms-input {
  flex: 1; background: var(--surface2); border: 1px solid var(--border);
  border-radius: 20px; padding: 9px 14px; color: var(--text);
  font-family: inherit; font-size: 14px; resize: none; outline: none;
  max-height: 120px; line-height: 1.4;
}
#sms-input:focus { border-color: var(--accent); }
.sms-send-btn {
  width: 36px; height: 36px; border-radius: 50%; background: var(--accent);
  border: none; color: white; cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background .1s;
}
.sms-send-btn:hover { background: var(--accent-dark); }

/* SMS modal */
.sms-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 200;
}
.sms-modal-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px; width: 340px; display: flex; flex-direction: column; gap: 12px;
}
.sms-modal-header {
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 600; font-size: 15px;
}
.sms-modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 16px; }
.sms-modal-close:hover { color: var(--text); }
.sms-modal-input, .sms-modal-textarea {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 14px; color: var(--text);
  font-family: inherit; font-size: 14px; outline: none; width: 100%;
}
.sms-modal-input:focus, .sms-modal-textarea:focus { border-color: var(--accent); }
.sms-modal-textarea { resize: vertical; }
.sms-modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.sms-modal-cancel {
  background: var(--surface3); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 16px; color: var(--text); cursor: pointer; font-size: 13px;
}
.sms-modal-send {
  background: var(--accent); border: none;
  border-radius: 8px; padding: 8px 16px; color: white; cursor: pointer; font-size: 13px; font-weight: 500;
}
.sms-modal-send:hover { background: var(--accent-dark); }

/* ── Settings Modal ── */
.settings-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 300;
  display: flex;
  align-items: flex-end;
}
.settings-sheet {
  background: var(--surface);
  border-radius: 18px 18px 0 0;
  width: 100%;
  max-height: 82%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 -8px 40px rgba(0,0,0,.5);
}
.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 0;
  flex-shrink: 0;
}
.settings-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.settings-close {
  background: var(--surface2);
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
}
.settings-close:hover { background: var(--surface3); color: var(--text); }
.settings-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-top: 12px;
  flex-shrink: 0;
}
.settings-tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .15s, border-color .15s;
  margin-bottom: -1px;
}
.settings-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.settings-content { overflow-y: auto; flex: 1; }
.stab-panel { padding: 14px; }

/* ── Account tab ── */
.account-panel { display: flex; flex-direction: column; gap: 16px; }
.account-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface2);
  border-radius: 10px;
  padding: 12px 14px;
}
.account-label { font-size: 13px; color: var(--text-muted); }
.account-value { font-size: 13px; font-weight: 500; color: var(--text); }
.settings-logout-btn {
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.3);
  color: #ef4444;
  border-radius: 10px;
  padding: 12px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  text-align: center;
}
.settings-logout-btn:hover { background: rgba(239,68,68,0.2); }
.theme-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}
.theme-card {
  border-radius: 10px;
  border: 2px solid;
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  position: relative;
}
.theme-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,.4); }
.theme-card.active { box-shadow: 0 0 0 2px #22c55e, 0 4px 16px rgba(34,197,94,.25); }

.theme-card-preview { height: 56px; overflow: hidden; }
.tcp-bar { height: 5px; width: 100%; }
.tcp-body { padding: 5px 5px 4px; display: flex; flex-direction: column; gap: 3px; }
.tcp-row { display: flex; align-items: center; gap: 3px; }
.tcp-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.tcp-line { flex: 1; height: 4px; border-radius: 2px; }
.tcp-line.short { flex: 0.6; }
.tcp-bubble {
  height: 8px; border-radius: 4px; width: 55%; align-self: flex-end; margin-top: 1px;
}
.tcp-bubble.in { width: 45%; align-self: flex-start; margin-top: 1px; }

.theme-card-name {
  font-size: 10px;
  font-weight: 600;
  text-align: center;
  padding: 4px 2px 5px;
  letter-spacing: .2px;
}
.theme-active-check {
  position: absolute;
  top: 4px; right: 5px;
  font-size: 9px;
  color: #22c55e;
  font-weight: 700;
}

/* ── Layout/Theme Card (shared) ── */
.layout-card {
  border-radius: 10px;
  border: 2px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  position: relative;
  background: var(--surface);
}
.layout-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,.4); }
.layout-card.active { box-shadow: 0 0 0 2px #22c55e, 0 4px 16px rgba(34,197,94,.25); }
.layout-card-preview {
  height: 60px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 6px 5px 4px;
  background: var(--bg);
}
.lcp-bar { height: 5px; width: 100%; background: var(--accent); border-radius: 2px; }
.lcp-key-row { display: flex; gap: 3px; justify-content: center; }
.lcp-key {
  width: 12px; height: 9px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  flex-shrink: 0;
}
.lcp-btn {
  height: 9px;
  background: var(--accent);
  border-radius: 3px;
  width: 40%;
  margin: 2px auto 0;
}
.layout-card-name {
  font-size: 10px;
  font-weight: 600;
  text-align: center;
  padding: 4px 2px 5px;
  letter-spacing: .2px;
  color: var(--text);
  background: var(--surface);
}
.layout-active-check {
  position: absolute;
  top: 4px; right: 5px;
  font-size: 9px;
  color: #22c55e;
  font-weight: 700;
}

/* ════════════════════════════════════════════
   LAYOUT OVERRIDES
   ════════════════════════════════════════════ */

/* ── Layout: Bubble — glossy 3D spheres, aurora bg ── */
[data-layout="bubble"] body {
  background:
    radial-gradient(ellipse 70% 55% at 18% 25%, rgba(99,102,241,.28) 0%, transparent 65%),
    radial-gradient(ellipse 55% 65% at 82% 75%, rgba(139,92,246,.22) 0%, transparent 65%),
    radial-gradient(ellipse 45% 45% at 52% 8%,  rgba(34,197,94,.14)  0%, transparent 55%),
    var(--bg);
}
[data-layout="bubble"] .dial-key {
  border-radius: 50%;
  aspect-ratio: 1;
  width: 62px;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 34% 28%, rgba(255,255,255,.42) 0%, rgba(255,255,255,.12) 38%, transparent 58%),
    var(--key-bg);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow:
    inset 0 1px 2px rgba(255,255,255,.55),
    inset 0 -2px 4px rgba(0,0,0,.32),
    0 7px 22px rgba(0,0,0,.48),
    0 2px 5px rgba(0,0,0,.22);
  transition: transform .12s, box-shadow .12s;
}
[data-layout="bubble"] .dial-key:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 2px rgba(255,255,255,.6),
    inset 0 -2px 4px rgba(0,0,0,.28),
    0 12px 28px rgba(0,0,0,.55);
}
[data-layout="bubble"] .dial-key:active {
  transform: translateY(1px);
  box-shadow: inset 0 2px 6px rgba(0,0,0,.45), 0 2px 6px rgba(0,0,0,.3);
}
[data-layout="bubble"] .dial-pad { gap: 12px; }
[data-layout="bubble"] .dial-key span { font-size: 7px; color: var(--key-sub); }
/* Bubble: pill tabs */
[data-layout="bubble"] .header-nav {
  border-top-color: var(--border);
  padding: 6px 14px;
  gap: 6px;
}
[data-layout="bubble"] .header-nav .nav-btn {
  border-radius: 20px;
  border-bottom: none;
  padding: 7px 16px;
  margin-bottom: 0;
}
[data-layout="bubble"] .header-nav .nav-btn.active {
  background: var(--accent-light);
  color: var(--accent);
  border-bottom: none;
}

/* Light mode: bubble gets softer shadows on lighter bg */
[data-mode="light"] [data-layout="bubble"] .dial-key {
  box-shadow:
    inset 0 1px 2px rgba(255,255,255,.9),
    inset 0 -2px 4px rgba(0,0,0,.08),
    0 4px 14px rgba(0,0,0,.12),
    0 2px 4px rgba(0,0,0,.07);
}

/* ── Layout: Sharp — precision luxury ── */
[data-layout="sharp"] body {
  background: var(--bg);
  color: var(--text);
}
[data-layout="sharp"] .app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  border-radius: 0;
}
[data-layout="sharp"] .tab-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-radius: 0;
}
/* Zero-radius keys */
[data-layout="sharp"] .dial-key {
  border-radius: 0;
  background: var(--key-bg);
  border: none;
  color: var(--text);
  font-size: 18px;
  font-weight: 500;
  padding: 22px 8px;
  transition: background .1s;
}
[data-layout="sharp"] .dial-key span { color: var(--key-sub); font-size: 8px; }
[data-layout="sharp"] .dial-key:hover { background: var(--key-bg-hover); }
[data-layout="sharp"] .dial-pad { gap: 2px; }
[data-layout="sharp"] button,
[data-layout="sharp"] input { border-radius: 0 !important; }
[data-layout="sharp"] .status-dot { border-radius: 0; }
[data-layout="sharp"] #dial-input { color: var(--text); }
/* Sharp: block square tabs */
[data-layout="sharp"] .header-nav {
  border-top: 1px solid var(--border);
  padding: 0;
  gap: 0;
}
[data-layout="sharp"] .header-nav .nav-btn {
  border-radius: 0;
  border-bottom: 2px solid transparent;
  padding: 10px 18px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: .5px;
  text-transform: uppercase;
}
[data-layout="sharp"] .header-nav .nav-btn:hover { color: var(--text); background: var(--surface2); }
[data-layout="sharp"] .header-nav .nav-btn.active { color: var(--accent); border-bottom-color: var(--accent); background: transparent; }
[data-layout="sharp"] .icon-btn { color: var(--text-muted); }

/* ── Layout: Minimal — neumorphic light (Image 4 top-left) ── */
[data-layout="minimal"] body {
  background: #e8e8ee;
  color: #2a2a35;
}
[data-layout="minimal"] .app-header {
  background: #e8e8ee;
  border-bottom: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
[data-layout="minimal"] .tab-bar {
  background: #e8e8ee;
  border-top: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 -2px 8px rgba(0,0,0,.05);
}
[data-layout="minimal"] .nav-btn { color: #666; }
[data-layout="minimal"] .nav-btn.active { background: rgba(99,102,241,.12); color: var(--accent); }
/* Neumorphic extruded circles */
[data-layout="minimal"] .dial-key {
  border-radius: 50%;
  aspect-ratio: 1;
  width: 62px;
  padding: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: #e8e8ee;
  border: none;
  color: #2a2a35;
  font-size: 18px;
  font-weight: 500;
  box-shadow:
    6px 6px 14px rgba(0,0,0,.14),
    -6px -6px 14px rgba(255,255,255,.85);
  transition: box-shadow .12s, transform .1s;
}
[data-layout="minimal"] .dial-key span { color: #888; font-size: 8px; }
[data-layout="minimal"] .dial-key:hover {
  box-shadow:
    8px 8px 18px rgba(0,0,0,.16),
    -8px -8px 18px rgba(255,255,255,.9);
}
[data-layout="minimal"] .dial-key:active {
  box-shadow:
    inset 4px 4px 8px rgba(0,0,0,.14),
    inset -4px -4px 8px rgba(255,255,255,.8);
  transform: scale(0.97);
}
[data-layout="minimal"] #dial-input { color: #2a2a35; }
[data-layout="minimal"] .dial-pad { gap: 14px; }
/* Minimal: bare text tabs */
[data-layout="minimal"] .header-nav {
  border-top: 1px solid rgba(0,0,0,.07);
}
[data-layout="minimal"] .header-nav .nav-btn { color: #aaa; }
[data-layout="minimal"] .header-nav .nav-btn:hover { color: #444; background: rgba(0,0,0,.04); }
[data-layout="minimal"] .header-nav .nav-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
[data-layout="minimal"] .icon-btn { color: #888; }
[data-layout="minimal"] .icon-btn:hover { background: rgba(0,0,0,.06); color: #333; }
[data-layout="minimal"] .brand-name { color: #1a1a2a; }

/* Dark mode: deep neumorphic */
[data-mode="dark"] [data-layout="minimal"] body { background: var(--surface); color: var(--text); }
[data-mode="dark"] [data-layout="minimal"] .app-header,
[data-mode="dark"] [data-layout="minimal"] .tab-bar {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: none;
}
[data-mode="dark"] [data-layout="minimal"] .dial-key {
  background: var(--surface);
  color: var(--text);
  box-shadow: 6px 6px 14px rgba(0,0,0,.5), -6px -6px 14px rgba(255,255,255,.04);
}
[data-mode="dark"] [data-layout="minimal"] .dial-key span { color: var(--text-muted); }
[data-mode="dark"] [data-layout="minimal"] .dial-key:hover {
  box-shadow: 8px 8px 20px rgba(0,0,0,.55), -8px -8px 20px rgba(255,255,255,.05);
}
[data-mode="dark"] [data-layout="minimal"] .dial-key:active {
  box-shadow: inset 4px 4px 10px rgba(0,0,0,.55), inset -4px -4px 10px rgba(255,255,255,.04);
  transform: scale(0.97);
}
[data-mode="dark"] [data-layout="minimal"] #dial-input { color: var(--text); }
[data-mode="dark"] [data-layout="minimal"] .header-nav { border-top-color: var(--border); }
[data-mode="dark"] [data-layout="minimal"] .header-nav .nav-btn { color: var(--text-muted); }
[data-mode="dark"] [data-layout="minimal"] .header-nav .nav-btn:hover { color: var(--text); background: var(--surface2); }
[data-mode="dark"] [data-layout="minimal"] .icon-btn { color: var(--text-muted); }
[data-mode="dark"] [data-layout="minimal"] .icon-btn:hover { background: var(--surface2); color: var(--text); }
[data-mode="dark"] [data-layout="minimal"] .brand-name { color: var(--text); }
[data-mode="dark"] [data-layout="minimal"] .brand-number { color: var(--accent); }

/* ── Layout: Bold — cobalt cartoon / vivid (Image 5 left) ── */
[data-layout="bold"] body {
  background: linear-gradient(160deg, #1a6fd4 0%, #1558b0 45%, #0e3d80 100%);
}
[data-layout="bold"] body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(100,180,255,.25) 0%, transparent 55%),
    radial-gradient(ellipse 50% 50% at 50% 100%, rgba(10,40,100,.4) 0%, transparent 55%);
  pointer-events: none;
  z-index: -1;
}
/* Round glossy blue buttons like image 5 left */
[data-layout="bold"] .dial-key {
  border-radius: 50%;
  aspect-ratio: 1;
  width: 66px;
  padding: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse at 35% 26%, rgba(130,190,255,.5) 0%, rgba(60,120,220,.5) 38%, rgba(20,70,170,.7) 100%);
  border: 2px solid rgba(100,160,255,.4);
  box-shadow:
    inset 0 2px 4px rgba(180,220,255,.45),
    inset 0 -3px 6px rgba(0,30,100,.45),
    0 6px 0 rgba(10,40,120,.6),
    0 8px 20px rgba(0,0,0,.4),
    0 0 0 1px rgba(40,100,200,.3);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  text-shadow: 0 1px 4px rgba(0,0,30,.6);
  transition: transform .1s, box-shadow .1s;
}
[data-layout="bold"] .dial-key span { color: rgba(200,230,255,.8); font-size: 8px; text-shadow: none; }
[data-layout="bold"] .dial-key:hover {
  background:
    radial-gradient(ellipse at 35% 26%, rgba(150,210,255,.6) 0%, rgba(80,140,240,.55) 38%, rgba(30,80,185,.75) 100%);
  box-shadow:
    inset 0 2px 4px rgba(200,235,255,.5),
    inset 0 -3px 6px rgba(0,30,100,.4),
    0 6px 0 rgba(10,40,120,.6),
    0 10px 26px rgba(0,0,0,.45);
  transform: translateY(-1px);
}
[data-layout="bold"] .dial-key:active {
  transform: translateY(3px);
  box-shadow:
    inset 0 2px 4px rgba(0,20,80,.4),
    0 2px 0 rgba(10,40,120,.6),
    0 4px 10px rgba(0,0,0,.35);
}
[data-layout="bold"] .dial-pad { gap: 12px; }
[data-layout="bold"] .app-header {
  background: rgba(14,50,120,.7);
  border-bottom: 1px solid rgba(100,160,255,.25);
  padding: 12px 18px;
}
[data-layout="bold"] .tab-bar {
  background: rgba(14,50,120,.7);
  border-top: 1px solid rgba(100,160,255,.2);
}
/* Bold: thick active tab with solid background pill */
[data-layout="bold"] .header-nav {
  border-top: 1px solid rgba(100,160,255,.18);
  padding: 6px 14px;
  gap: 6px;
}
[data-layout="bold"] .header-nav .nav-btn {
  border-radius: 20px;
  border-bottom: none;
  margin-bottom: 0;
  padding: 7px 16px;
  color: rgba(180,220,255,.65);
  font-weight: 600;
}
[data-layout="bold"] .header-nav .nav-btn:hover { background: rgba(100,160,255,.12); color: rgba(220,240,255,.85); }
[data-layout="bold"] .header-nav .nav-btn.active { background: rgba(255,255,255,.18); color: #fff; border-bottom: none; }
[data-layout="bold"] .icon-btn { color: rgba(180,220,255,.8); }

/* Light mode: bold becomes sky blue */
[data-mode="light"] [data-layout="bold"] body {
  background: linear-gradient(160deg, #d0e8ff 0%, #b8d4ff 45%, #9ec8ff 100%);
}
[data-mode="light"] [data-layout="bold"] body::before { display: none; }
[data-mode="light"] [data-layout="bold"] .dial-key {
  background:
    radial-gradient(ellipse at 35% 26%, rgba(255,255,255,.9) 0%, rgba(180,220,255,.7) 38%, rgba(120,170,230,.5) 100%);
  border-color: rgba(100,160,230,.4);
  color: #0a3060;
  text-shadow: none;
  box-shadow:
    inset 0 2px 4px rgba(255,255,255,.9),
    inset 0 -2px 4px rgba(80,140,210,.2),
    0 5px 0 rgba(80,140,220,.4),
    0 7px 18px rgba(60,120,200,.25);
}
[data-mode="light"] [data-layout="bold"] .dial-key span { color: rgba(0,50,120,.55); text-shadow: none; }
[data-mode="light"] [data-layout="bold"] .app-header {
  background: rgba(180,220,255,.75);
  border-bottom-color: rgba(100,160,220,.3);
}
[data-mode="light"] [data-layout="bold"] .header-nav { border-top-color: rgba(100,160,220,.22); }
[data-mode="light"] [data-layout="bold"] .header-nav .nav-btn { color: rgba(0,50,120,.5); font-weight: 600; }
[data-mode="light"] [data-layout="bold"] .header-nav .nav-btn:hover { color: rgba(0,40,100,.8); background: rgba(80,140,220,.12); }
[data-mode="light"] [data-layout="bold"] .header-nav .nav-btn.active { background: rgba(0,80,160,.12); color: #003a80; border-bottom: none; }
[data-mode="light"] [data-layout="bold"] .icon-btn { color: rgba(0,50,120,.6); }
[data-mode="light"] [data-layout="bold"] .brand-name { color: #0a3060; }
[data-mode="light"] [data-layout="bold"] .brand-number { color: #1a5fb4; }

/* ── Layout: Glass — liquid glass spheres, vivid aurora ── */
[data-layout="glass"] body {
  background: linear-gradient(160deg, #160530 0%, #1c0b44 32%, #0e1540 62%, #071022 100%);
}
[data-layout="glass"] body::before {
  content: '';
  position: fixed;
  inset: -20%;          /* oversized so blur doesn't clip at edges */
  background:
    radial-gradient(ellipse 55% 50% at 18% 28%, rgba(130,40,220,.7)  0%, transparent 52%),
    radial-gradient(ellipse 50% 60% at 84% 72%, rgba(50,140,220,.6)  0%, transparent 52%),
    radial-gradient(ellipse 40% 40% at 58% 12%, rgba(200,60,240,.5)  0%, transparent 48%),
    radial-gradient(ellipse 35% 35% at 30% 80%, rgba(0,200,180,.35) 0%, transparent 48%);
  filter: blur(60px);
  pointer-events: none;
  z-index: -1;
}
/* Liquid-glass dial keys — round, shiny, translucent spheres */
[data-layout="glass"] .dial-key {
  border-radius: 50%;
  aspect-ratio: 1;
  width: 64px;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 34% 26%, rgba(255,255,255,.52) 0%, rgba(255,255,255,.18) 34%, transparent 56%),
    radial-gradient(ellipse at 68% 76%, rgba(180,150,255,.14) 0%, transparent 42%),
    rgba(110,75,210,.36);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(255,255,255,.34);
  box-shadow:
    inset 0 1px 2px rgba(255,255,255,.78),
    inset 0 -2px 5px rgba(0,0,0,.28),
    0 8px 26px rgba(80,20,160,.6),
    0 2px 6px rgba(0,0,0,.32),
    0 0 0 1px rgba(255,255,255,.07);
  color: #fff;
  font-size: 20px;
  font-weight: 600;
  text-shadow: 0 1px 5px rgba(0,0,0,.7);
  transition: transform .12s, box-shadow .12s;
}
[data-layout="glass"] .dial-key span {
  color: rgba(255,255,255,.72);
  font-size: 7px;
  letter-spacing: 1px;
  text-shadow: none;
}
[data-layout="glass"] .dial-key:hover {
  transform: translateY(-2px) scale(1.04);
  background:
    radial-gradient(ellipse at 34% 26%, rgba(255,255,255,.62) 0%, rgba(255,255,255,.24) 34%, transparent 56%),
    rgba(130,95,230,.48);
  box-shadow:
    inset 0 1px 2px rgba(255,255,255,.85),
    inset 0 -2px 5px rgba(0,0,0,.22),
    0 12px 34px rgba(100,30,200,.7),
    0 3px 8px rgba(0,0,0,.36);
}
[data-layout="glass"] .dial-key:active {
  transform: translateY(1px) scale(0.97);
  box-shadow:
    inset 0 2px 6px rgba(0,0,0,.35),
    0 3px 10px rgba(80,20,160,.45);
}
[data-layout="glass"] .dial-pad { gap: 14px; }
/* Frosted chrome surfaces */
[data-layout="glass"] .app-header,
[data-layout="glass"] .tab-bar {
  background: rgba(15,5,40,.65);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-color: rgba(255,255,255,.1);
}
[data-layout="glass"] .panel,
[data-layout="glass"] .sms-threads-panel,
[data-layout="glass"] .sms-view-panel {
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255,255,255,.1);
}
/* Glass: frosted pill tabs */
[data-layout="glass"] .header-nav {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 6px 14px;
  gap: 6px;
}
[data-layout="glass"] .header-nav .nav-btn {
  border-radius: 20px;
  border-bottom: none;
  margin-bottom: 0;
  padding: 7px 16px;
  color: rgba(255,255,255,.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
[data-layout="glass"] .header-nav .nav-btn:hover { background: rgba(255,255,255,.08); color: rgba(255,255,255,.8); }
[data-layout="glass"] .header-nav .nav-btn.active {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  border-bottom: none;
}
[data-layout="glass"] .icon-btn { color: rgba(255,255,255,.6); }

/* Light mode: daylight glass */
[data-mode="light"] [data-layout="glass"] body {
  background: linear-gradient(160deg, #eaf0ff 0%, #f0e8ff 32%, #e8f6ff 62%, #f0fffc 100%);
}
[data-mode="light"] [data-layout="glass"] body::before {
  background:
    radial-gradient(ellipse 55% 50% at 18% 28%, rgba(120,60,220,.18) 0%, transparent 52%),
    radial-gradient(ellipse 50% 60% at 84% 72%, rgba(40,130,220,.15) 0%, transparent 52%),
    radial-gradient(ellipse 40% 40% at 58% 12%, rgba(180,50,220,.12) 0%, transparent 48%),
    radial-gradient(ellipse 35% 35% at 30% 80%, rgba(0,180,160,.10) 0%, transparent 48%);
}
[data-mode="light"] [data-layout="glass"] .dial-key {
  background:
    radial-gradient(ellipse at 34% 26%, rgba(255,255,255,.88) 0%, rgba(255,255,255,.5) 34%, rgba(200,180,255,.15) 56%),
    rgba(200,180,255,.2);
  border-color: rgba(180,160,255,.35);
  color: #2a1060;
  text-shadow: none;
  box-shadow:
    inset 0 1px 3px rgba(255,255,255,.95),
    inset 0 -2px 4px rgba(140,100,240,.12),
    0 6px 20px rgba(140,100,240,.18),
    0 2px 5px rgba(0,0,0,.08);
}
[data-mode="light"] [data-layout="glass"] .dial-key span { color: rgba(70,30,150,.5); text-shadow: none; }
[data-mode="light"] [data-layout="glass"] .app-header,
[data-mode="light"] [data-layout="glass"] .tab-bar {
  background: rgba(220,210,255,.55);
  border-color: rgba(170,150,240,.3);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
[data-mode="light"] [data-layout="glass"] .header-nav { border-top-color: rgba(170,150,240,.2); }
[data-mode="light"] [data-layout="glass"] .header-nav .nav-btn { color: rgba(70,30,150,.45); }
[data-mode="light"] [data-layout="glass"] .header-nav .nav-btn:hover { background: rgba(140,100,240,.1); color: rgba(60,20,140,.8); }
[data-mode="light"] [data-layout="glass"] .header-nav .nav-btn.active { background: rgba(140,100,240,.14); border-color: rgba(140,100,240,.22); color: #3a1090; border-bottom: none; }
[data-mode="light"] [data-layout="glass"] .icon-btn { color: rgba(70,30,150,.5); }

/* ── Layout: Compact — iOS clean light mode (Image 5 right + Image 4 top-left white) ── */
[data-layout="compact"] body {
  background: #f0f0f5;
  color: #1a1a2a;
}
[data-layout="compact"] .app-header {
  background: #f0f0f5;
  border-bottom: 1px solid rgba(0,0,0,.07);
  padding: 6px 12px;
}
[data-layout="compact"] .tab-bar {
  background: #f0f0f5;
  border-top: 1px solid rgba(0,0,0,.07);
  padding: 4px 0 2px;
}
[data-layout="compact"] .nav-btn { color: #555; font-size: 12px; padding: 4px 10px; }
[data-layout="compact"] .nav-btn.active { background: rgba(99,102,241,.1); color: var(--accent); }
/* Rounded-rectangle keys like iOS dialpad (Image 5 right) */
[data-layout="compact"] .dial-key {
  border-radius: 14px;
  background: var(--key-bg);
  border: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  padding: 10px 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  transition: box-shadow .1s, transform .1s;
}
[data-layout="compact"] .dial-key:hover {
  background: var(--key-bg-hover);
  box-shadow: 0 4px 10px rgba(0,0,0,.11), 0 1px 3px rgba(0,0,0,.07);
}
[data-layout="compact"] .dial-key:active {
  transform: scale(0.96);
  filter: brightness(0.88);
}
[data-layout="compact"] .dial-pad { gap: 6px; }
[data-layout="compact"] #dial-input { color: #1a1a2a; font-size: 18px; }
/* Compact: iOS-style segmented tab look */
[data-layout="compact"] .header-nav {
  border-top: 1px solid rgba(0,0,0,.07);
  padding: 5px 12px;
  gap: 2px;
}
[data-layout="compact"] .header-nav .nav-btn {
  border-radius: 8px;
  border-bottom: none;
  margin-bottom: 0;
  padding: 6px 12px;
  color: #666;
  font-size: 12px;
}
[data-layout="compact"] .header-nav .nav-btn:hover { background: rgba(0,0,0,.06); color: #333; }
[data-layout="compact"] .header-nav .nav-btn.active { background: rgba(99,102,241,.1); color: var(--accent); border-bottom: none; }
[data-layout="compact"] .icon-btn { width: 26px; height: 26px; color: #666; }
[data-layout="compact"] .icon-btn svg { width: 14px; height: 14px; }
[data-layout="compact"] .icon-btn:hover { background: rgba(0,0,0,.06); }
[data-layout="compact"] .brand-name { color: #1a1a2a; font-size: 18px; }

/* Dark mode: compact becomes dark card look */
[data-mode="dark"] [data-layout="compact"] body { background: var(--bg); color: var(--text); }
[data-mode="dark"] [data-layout="compact"] .app-header { background: var(--surface); border-bottom-color: var(--border); }
[data-mode="dark"] [data-layout="compact"] .tab-bar { background: var(--surface); border-top-color: var(--border); }
[data-mode="dark"] [data-layout="compact"] .dial-key {
  background: var(--key-bg);
  color: var(--text);
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
}
[data-mode="dark"] [data-layout="compact"] .dial-key span { color: var(--key-sub); }
[data-mode="dark"] [data-layout="compact"] .dial-key:hover { background: var(--key-bg-hover); box-shadow: 0 4px 14px rgba(0,0,0,.45); }
[data-mode="dark"] [data-layout="compact"] .dial-key:active { filter: brightness(0.8); box-shadow: none; transform: scale(0.96); }
[data-mode="dark"] [data-layout="compact"] #dial-input { color: var(--text); font-size: 18px; }
[data-mode="dark"] [data-layout="compact"] .header-nav { border-top-color: var(--border); }
[data-mode="dark"] [data-layout="compact"] .header-nav .nav-btn { color: var(--text-muted); border-radius: 8px; border-bottom: none; margin-bottom: 0; }
[data-mode="dark"] [data-layout="compact"] .header-nav .nav-btn:hover { color: var(--text); background: var(--surface2); }
[data-mode="dark"] [data-layout="compact"] .header-nav .nav-btn.active { color: var(--accent); background: var(--accent-light); border-bottom: none; }
[data-mode="dark"] [data-layout="compact"] .icon-btn { color: var(--text-muted); width: 26px; height: 26px; }
[data-mode="dark"] [data-layout="compact"] .icon-btn svg { width: 14px; height: 14px; }
[data-mode="dark"] [data-layout="compact"] .icon-btn:hover { background: var(--surface2); color: var(--text); }
[data-mode="dark"] [data-layout="compact"] .brand-name { color: var(--text); font-size: 18px; }

/* ── Layout: Neon — circuit board / tech metal (inspired by image 3 bottom-left) ── */
[data-layout="neon"] body {
  background: #080810;
}
[data-layout="neon"] body::before {
  content: '';
  position: fixed;
  inset: 0;
  /* Circuit-board traces as background */
  background-image:
    linear-gradient(rgba(99,102,241,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,.06) 1px, transparent 1px),
    repeating-linear-gradient(
      0deg, transparent, transparent 3px,
      rgba(99,102,241,.012) 3px, rgba(99,102,241,.012) 4px
    );
  background-size: 40px 40px, 40px 40px, 4px 4px;
  pointer-events: none;
  z-index: -1;
}
/* Metallic buttons with bronze/copper rim like image 3 bottom-left */
[data-layout="neon"] .dial-key {
  border-radius: 50%;
  aspect-ratio: 1;
  width: 62px;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 35% 28%, rgba(200,190,170,.22) 0%, rgba(60,55,50,.6) 45%, rgba(20,18,15,.85) 100%);
  border: none;
  box-shadow:
    0 0 0 2px rgba(180,140,60,.65),
    0 0 0 4px rgba(30,22,15,.8),
    0 0 0 5px rgba(150,110,40,.4),
    inset 0 1px 3px rgba(230,200,120,.2),
    inset 0 -2px 4px rgba(0,0,0,.5),
    0 6px 18px rgba(0,0,0,.6);
  color: rgba(220,200,160,.9);
  font-size: 18px;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0,0,0,.8);
  transition: transform .1s, box-shadow .1s;
}
[data-layout="neon"] .dial-key:hover {
  box-shadow:
    0 0 0 2px rgba(200,160,70,.85),
    0 0 0 4px rgba(30,22,15,.8),
    0 0 0 5px rgba(170,130,50,.5),
    inset 0 1px 3px rgba(240,210,130,.3),
    0 8px 24px rgba(0,0,0,.65),
    0 0 12px rgba(180,140,60,.25);
}
[data-layout="neon"] .dial-key:active {
  transform: scale(0.95);
  box-shadow:
    0 0 0 2px rgba(180,140,60,.65),
    0 0 0 4px rgba(30,22,15,.8),
    inset 0 2px 5px rgba(0,0,0,.55),
    0 2px 8px rgba(0,0,0,.4);
}
[data-layout="neon"] .dial-key span { color: rgba(200,170,100,.7); font-size: 7px; text-shadow: none; }
[data-layout="neon"] .dial-pad { gap: 12px; }
[data-layout="neon"] .status-dot { box-shadow: 0 0 6px currentColor; }
[data-layout="neon"] .app-header {
  background: linear-gradient(180deg, #0f0e14 0%, #09090f 100%);
  border-bottom: 1px solid rgba(180,140,60,.35);
  box-shadow: 0 2px 12px rgba(0,0,0,.5);
}
[data-layout="neon"] .tab-bar {
  border-top: 1px solid rgba(180,140,60,.3);
}
/* Neon: gold underline tabs */
[data-layout="neon"] .header-nav {
  border-top: 1px solid rgba(180,140,60,.25);
  padding: 0 12px;
}
[data-layout="neon"] .header-nav .nav-btn { color: rgba(200,170,100,.5); }
[data-layout="neon"] .header-nav .nav-btn:hover { color: rgba(220,190,120,.8); background: rgba(180,140,60,.06); }
[data-layout="neon"] .header-nav .nav-btn.active {
  color: rgba(220,190,120,.95);
  border-bottom-color: rgba(195,155,55,.8);
}
[data-layout="neon"] .icon-btn { color: rgba(200,170,100,.8); }
[data-layout="neon"] .icon-btn:hover { background: rgba(180,140,60,.12); }

/* Light mode: neon becomes gold-on-cream circuit */
[data-mode="light"] [data-layout="neon"] body { background: #f8f5ee; }
[data-mode="light"] [data-layout="neon"] body::before {
  background-image:
    linear-gradient(rgba(120,90,20,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,90,20,.08) 1px, transparent 1px);
  background-size: 40px 40px;
}
[data-mode="light"] [data-layout="neon"] .dial-key {
  background:
    radial-gradient(ellipse at 35% 28%, rgba(255,240,180,.85) 0%, rgba(210,180,100,.5) 45%, rgba(170,140,60,.3) 100%);
  box-shadow:
    0 0 0 2px rgba(155,115,35,.7),
    0 0 0 4px rgba(235,225,195,.65),
    0 0 0 5px rgba(135,100,25,.4),
    inset 0 1px 3px rgba(255,235,140,.65),
    0 5px 14px rgba(120,90,20,.2);
  color: #3a2a08;
  text-shadow: none;
}
[data-mode="light"] [data-layout="neon"] .dial-key span { color: rgba(100,70,10,.6); }
[data-mode="light"] [data-layout="neon"] .dial-key:hover {
  box-shadow:
    0 0 0 2px rgba(175,135,45,.9),
    0 0 0 4px rgba(235,225,195,.65),
    0 0 0 5px rgba(155,120,35,.5),
    inset 0 1px 3px rgba(255,240,150,.75),
    0 8px 20px rgba(120,90,20,.25);
}
[data-mode="light"] [data-layout="neon"] .dial-key:active {
  transform: scale(0.95);
  box-shadow:
    0 0 0 2px rgba(155,115,35,.7),
    0 0 0 4px rgba(235,225,195,.65),
    inset 0 2px 5px rgba(100,70,10,.2);
}
[data-mode="light"] [data-layout="neon"] .app-header {
  background: linear-gradient(180deg, #f0ebe0 0%, #e8e0d0 100%);
  border-bottom-color: rgba(155,120,40,.4);
  box-shadow: 0 2px 8px rgba(100,70,10,.08);
}
[data-mode="light"] [data-layout="neon"] .header-nav { border-top-color: rgba(155,120,40,.25); }
[data-mode="light"] [data-layout="neon"] .header-nav .nav-btn { color: rgba(90,65,15,.5); }
[data-mode="light"] [data-layout="neon"] .header-nav .nav-btn:hover { color: rgba(70,48,8,.8); background: rgba(155,120,40,.07); }
[data-mode="light"] [data-layout="neon"] .header-nav .nav-btn.active { color: #5a3a08; border-bottom-color: rgba(155,120,40,.8); }
[data-mode="light"] [data-layout="neon"] .icon-btn { color: rgba(90,65,15,.65); }
[data-mode="light"] [data-layout="neon"] .icon-btn:hover { background: rgba(155,120,40,.1); }

/* ── Layout: Retro — ornate dark maroon, double gold ring trim (Images 2 + 4) ── */
[data-layout="retro"] body {
  background: radial-gradient(ellipse 110% 100% at 50% 50%, #2c0c08 0%, #1c0505 45%, #0e0202 100%);
}
[data-layout="retro"] body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
  z-index: -1;
}
/* Gold-rimmed circles like image 2 bottom-right + image 4 bottom-middle */
[data-layout="retro"] .dial-key {
  border-radius: 50%;
  aspect-ratio: 1;
  width: 62px;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 38% 32%, rgba(255,200,80,.18) 0%, rgba(100,30,15,.5) 40%, rgba(50,8,5,.88) 100%);
  border: none;
  box-shadow:
    0 0 0 2px rgba(195,155,55,.72),
    0 0 0 4px rgba(55,12,5,.82),
    0 0 0 6px rgba(165,125,40,.44),
    inset 0 2px 4px rgba(255,200,80,.18),
    inset 0 -2px 5px rgba(0,0,0,.52),
    0 8px 22px rgba(0,0,0,.65);
  color: #ead5a0;
  font-size: 18px;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0,0,0,.85);
  transition: transform .1s, box-shadow .1s;
}
[data-layout="retro"] .dial-key:hover {
  box-shadow:
    0 0 0 2px rgba(215,175,70,.9),
    0 0 0 4px rgba(55,12,5,.82),
    0 0 0 6px rgba(185,145,50,.55),
    inset 0 2px 4px rgba(255,210,90,.24),
    0 10px 28px rgba(0,0,0,.7),
    0 0 14px rgba(180,140,50,.22);
}
[data-layout="retro"] .dial-key:active {
  transform: scale(0.94);
  box-shadow:
    0 0 0 2px rgba(195,155,55,.72),
    0 0 0 4px rgba(55,12,5,.82),
    0 0 0 6px rgba(165,125,40,.44),
    inset 0 2px 6px rgba(0,0,0,.6),
    0 3px 8px rgba(0,0,0,.45);
}
[data-layout="retro"] .dial-key span { color: rgba(220,185,110,.7); font-size: 7px; text-shadow: none; }
[data-layout="retro"] .dial-pad { gap: 12px; }
[data-layout="retro"] .app-header {
  background: linear-gradient(180deg, #2a1010 0%, #1a0707 100%);
  border-bottom: 1px solid rgba(195,155,55,.4);
  box-shadow: 0 2px 12px rgba(0,0,0,.5);
}
[data-layout="retro"] .tab-bar {
  border-top: 1px solid rgba(195,155,55,.35);
  background: linear-gradient(0deg, #2a1010 0%, #1a0707 100%);
}
/* Retro: gold-accented ornate tabs */
[data-layout="retro"] .header-nav {
  border-top: 1px solid rgba(195,155,55,.35);
  padding: 0 12px;
}
[data-layout="retro"] .header-nav .nav-btn { color: rgba(200,165,90,.5); font-family: 'Courier New', monospace; font-size: 12px; letter-spacing: .3px; }
[data-layout="retro"] .header-nav .nav-btn:hover { color: rgba(220,185,110,.8); background: rgba(195,155,55,.06); }
[data-layout="retro"] .header-nav .nav-btn.active { color: rgba(220,185,110,.95); border-bottom-color: rgba(195,155,55,.7); }
[data-layout="retro"] .icon-btn { color: rgba(220,185,110,.6); }
[data-layout="retro"] .icon-btn:hover { background: rgba(195,155,55,.1); color: rgba(220,185,110,.9); }

/* Light mode: retro becomes antique parchment */
[data-mode="light"] [data-layout="retro"] body {
  background: radial-gradient(ellipse 110% 100% at 50% 50%, #f5ead0 0%, #eaddb8 45%, #dfd0a0 100%);
}
[data-mode="light"] [data-layout="retro"] .dial-key {
  background: radial-gradient(ellipse at 38% 32%, rgba(255,230,140,.85) 0%, rgba(195,155,55,.4) 40%, rgba(155,115,30,.2) 100%);
  box-shadow:
    0 0 0 2px rgba(155,115,30,.7),
    0 0 0 4px rgba(230,215,175,.65),
    0 0 0 6px rgba(135,95,20,.4),
    inset 0 2px 4px rgba(255,225,130,.72),
    0 6px 16px rgba(100,70,15,.18);
  color: #3a2808;
  text-shadow: none;
}
[data-mode="light"] [data-layout="retro"] .dial-key span { color: rgba(90,60,8,.6); }
[data-mode="light"] [data-layout="retro"] .dial-key:hover {
  box-shadow:
    0 0 0 2px rgba(175,135,40,.9),
    0 0 0 4px rgba(230,215,175,.65),
    0 0 0 6px rgba(155,120,35,.55),
    inset 0 2px 4px rgba(255,235,145,.8),
    0 10px 24px rgba(100,70,15,.22);
}
[data-mode="light"] [data-layout="retro"] .dial-key:active {
  transform: scale(0.94);
  box-shadow:
    0 0 0 2px rgba(155,115,30,.7),
    0 0 0 4px rgba(230,215,175,.65),
    0 0 0 6px rgba(135,95,20,.4),
    inset 0 2px 6px rgba(100,70,15,.2);
}
[data-mode="light"] [data-layout="retro"] .app-header {
  background: linear-gradient(180deg, #e8d8a8 0%, #ddd0a0 100%);
  border-bottom-color: rgba(155,115,30,.4);
  box-shadow: 0 2px 8px rgba(100,70,15,.12);
}
[data-mode="light"] [data-layout="retro"] .header-nav { border-top-color: rgba(155,115,30,.35); }
[data-mode="light"] [data-layout="retro"] .header-nav .nav-btn { color: rgba(80,55,8,.45); font-family: 'Courier New', monospace; }
[data-mode="light"] [data-layout="retro"] .header-nav .nav-btn:hover { color: rgba(60,38,5,.8); background: rgba(155,115,30,.07); }
[data-mode="light"] [data-layout="retro"] .header-nav .nav-btn.active { color: #3a2808; border-bottom-color: rgba(155,115,30,.75); }
[data-mode="light"] [data-layout="retro"] .icon-btn { color: rgba(80,55,10,.6); }
[data-mode="light"] [data-layout="retro"] .icon-btn:hover { background: rgba(155,115,30,.1); color: rgba(60,38,5,.9); }

/* ── Layout: Floating — sand/cream neumorphic (Image 4 bottom-right) ── */
[data-layout="floating"] body {
  background: #ddd5c5;
  color: #2e2a22;
}
[data-layout="floating"] .app-header {
  background: #ddd5c5;
  border-bottom: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 3px 10px rgba(0,0,0,.07);
}
[data-layout="floating"] .tab-bar {
  background: #ddd5c5;
  border-top: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 -3px 10px rgba(0,0,0,.06);
}
[data-layout="floating"] .nav-btn { color: #7a6e5f; }
[data-layout="floating"] .nav-btn.active { background: rgba(120,100,60,.12); color: #5a4a30; }
/* Warm sand neumorphic circles */
[data-layout="floating"] .dial-key {
  border-radius: 50%;
  aspect-ratio: 1;
  width: 62px;
  padding: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: #ddd5c5;
  border: none;
  color: #2e2a22;
  font-size: 18px;
  font-weight: 500;
  box-shadow:
    6px 6px 14px rgba(150,130,100,.35),
    -6px -6px 14px rgba(255,248,235,.85);
  transition: box-shadow .12s, transform .1s;
}
[data-layout="floating"] .dial-key span { color: #9a8a72; font-size: 8px; }
[data-layout="floating"] .dial-key:hover {
  transform: translateY(-2px);
  box-shadow:
    9px 9px 20px rgba(150,130,100,.4),
    -9px -9px 20px rgba(255,248,235,.9);
}
[data-layout="floating"] .dial-key:active {
  transform: translateY(0);
  box-shadow:
    inset 4px 4px 8px rgba(150,130,100,.3),
    inset -4px -4px 8px rgba(255,248,235,.75);
}
[data-layout="floating"] .dial-pad { gap: 14px; }
[data-layout="floating"] #dial-input { color: #2e2a22; }
/* Floating: warm neumorphic inset tabs */
[data-layout="floating"] .header-nav {
  border-top: 1px solid rgba(150,130,100,.2);
  padding: 6px 14px;
  gap: 4px;
}
[data-layout="floating"] .header-nav .nav-btn {
  border-radius: 10px;
  border-bottom: none;
  margin-bottom: 0;
  padding: 6px 14px;
  color: #9a8a72;
}
[data-layout="floating"] .header-nav .nav-btn:hover {
  color: #5a4a38;
  box-shadow: 2px 2px 5px rgba(150,130,100,.2), -2px -2px 5px rgba(255,248,235,.7);
}
[data-layout="floating"] .header-nav .nav-btn.active {
  color: #4a3a28;
  border-bottom: none;
  box-shadow: inset 2px 2px 5px rgba(150,130,100,.25), inset -2px -2px 5px rgba(255,248,235,.6);
}
[data-layout="floating"] .icon-btn { color: #8a7a66; }
[data-layout="floating"] .icon-btn:hover { background: rgba(0,0,0,.05); color: #2e2a22; }
[data-layout="floating"] .brand-name { color: #2e2a22; }

/* Dark mode: floating becomes dark warm neumorphic */
[data-mode="dark"] [data-layout="floating"] body { background: var(--surface); color: var(--text); }
[data-mode="dark"] [data-layout="floating"] .app-header,
[data-mode="dark"] [data-layout="floating"] .tab-bar {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: none;
}
[data-mode="dark"] [data-layout="floating"] .dial-key {
  background: var(--surface);
  color: var(--text);
  box-shadow: 6px 6px 14px rgba(0,0,0,.5), -6px -6px 14px rgba(255,255,255,.04);
}
[data-mode="dark"] [data-layout="floating"] .dial-key span { color: var(--text-muted); }
[data-mode="dark"] [data-layout="floating"] .dial-key:hover {
  transform: translateY(-2px);
  box-shadow: 9px 9px 20px rgba(0,0,0,.55), -9px -9px 20px rgba(255,255,255,.05);
}
[data-mode="dark"] [data-layout="floating"] .dial-key:active {
  transform: translateY(0);
  box-shadow: inset 4px 4px 10px rgba(0,0,0,.5), inset -4px -4px 10px rgba(255,255,255,.04);
}
[data-mode="dark"] [data-layout="floating"] #dial-input { color: var(--text); }
[data-mode="dark"] [data-layout="floating"] .header-nav { border-top-color: var(--border); }
[data-mode="dark"] [data-layout="floating"] .header-nav .nav-btn { color: var(--text-muted); border-bottom: none; margin-bottom: 0; }
[data-mode="dark"] [data-layout="floating"] .header-nav .nav-btn:hover { color: var(--text); box-shadow: none; background: var(--surface2); }
[data-mode="dark"] [data-layout="floating"] .header-nav .nav-btn.active { color: var(--accent); box-shadow: none; background: var(--accent-light); }
[data-mode="dark"] [data-layout="floating"] .icon-btn { color: var(--text-muted); }
[data-mode="dark"] [data-layout="floating"] .icon-btn:hover { background: var(--surface2); color: var(--text); }
[data-mode="dark"] [data-layout="floating"] .brand-name { color: var(--text); }