/* ═══════════════════════════════════════════════════════════════════════════
   RIZE — Demo + Tabs CSS
   ═══════════════════════════════════════════════════════════════════════════ */

/* ───── NAV MENU (top-left, next to RIZE logo) ───── */
.nav-left {
  display: flex; align-items: center;
  gap: 28px;
}
.nav-menu {
  display: flex; gap: 4px;
}
.nav-menu-item {
  background: none; border: none;
  color: var(--sub);
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-size: 0.83rem; font-weight: 500;
  letter-spacing: 0.3px;
  cursor: pointer;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color .15s, background .15s;
  position: relative;
}
.nav-menu-item:hover { color: var(--text); background: rgba(255,140,0,.06); }
.nav-menu-item.active {
  color: var(--orange);
  background: rgba(255,140,0,.1);
  font-weight: 700;
}

/* ───── Hero secondary button (below APKをダウンロード) ───── */
.dl-btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 14px;
  padding: 14px 40px;
  background: transparent;
  color: var(--orange);
  border: 1.5px solid var(--orange);
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-weight: 700; font-size: 0.92rem; letter-spacing: 0.5px;
  border-radius: 12px;
  cursor: pointer;
  transition: all .2s;
}
.dl-btn-secondary:hover {
  background: var(--orange); color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,140,0,.3);
}
.dl-btn-secondary svg { width: 16px; height: 16px; flex-shrink: 0; }

.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fadein .3s; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ───── CTA inside install steps ───── */
.try-cta {
  margin-top: 28px;
  text-align: center;
  padding: 28px 20px;
  background: linear-gradient(135deg, rgba(255,140,0,.08), rgba(255,193,7,.04));
  border: 1px solid rgba(255,140,0,.2);
  border-radius: 14px;
}
.try-cta p {
  font-size: 0.85rem;
  color: var(--sub);
  margin-bottom: 14px;
  line-height: 1.7;
}
.try-cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px;
  background: rgba(13,27,42,.8);
  color: var(--orange);
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-weight: 700; font-size: 0.95rem; letter-spacing: .5px;
  border: 1.5px solid var(--orange);
  border-radius: 12px; cursor: pointer;
  transition: all .18s;
}
.try-cta-btn:hover {
  background: var(--orange);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,140,0,.3);
}

/* ═══════════════════════════════════════════════════════════════════════════
   DEMO PAGE
   ═══════════════════════════════════════════════════════════════════════════ */
.demo-hero {
  text-align: center;
  padding: 60px 24px 24px;
}
.demo-hero h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.demo-hero p {
  color: var(--sub); font-size: 0.95rem; line-height: 1.7;
  max-width: 540px; margin: 0 auto;
}

.demo-stage {
  display: flex; justify-content: center;
  padding: 20px 16px 40px;
}

/* Phone frame for demo */
.demo-phone {
  width: 360px; max-width: 100%;
  background: #08111c;
  border: 3px solid rgba(255,140,0,.3);
  border-radius: 44px;
  padding: 14px;
  position: relative;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.04),
    0 24px 80px rgba(0,0,0,.6),
    0 0 60px rgba(255,140,0,.1);
}
.demo-phone::before {
  content: '';
  position: absolute; top: 22px; left: 50%;
  transform: translateX(-50%);
  width: 96px; height: 8px;
  background: rgba(255,255,255,.1);
  border-radius: 4px; z-index: 20;
}

#demoApp {
  width: 100%;
  height: 720px;
  border-radius: 32px;
  overflow: hidden;
  background: var(--navy);
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Demo info bar */
.demo-controls {
  text-align: center;
  margin-top: 28px;
  display: flex; justify-content: center; gap: 12px; flex-wrap: wrap;
}
.demo-controls button {
  padding: 8px 18px;
  background: transparent;
  border: 1px solid rgba(255,140,0,.3);
  color: var(--sub);
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-size: 0.78rem;
  border-radius: 8px;
  cursor: pointer;
}
.demo-controls button:hover { color: var(--orange); border-color: var(--orange); }

.demo-info {
  max-width: 600px;
  margin: 40px auto 80px;
  padding: 28px 28px;
  background: var(--navy-card);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.demo-info h3 {
  font-size: 1rem; font-weight: 700; color: var(--white);
  margin-bottom: 14px;
}
.demo-info ul { list-style: none; padding: 0; }
.demo-info li {
  font-size: 0.88rem; color: var(--text);
  line-height: 1.9;
  padding-left: 22px;
  position: relative;
}
.demo-info li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--orange); font-weight: 700;
}
.demo-info .note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--sub);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════════════════════
   APP UI — Inside the demo phone
   ═══════════════════════════════════════════════════════════════════════════ */

.dx-screen {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  background: var(--navy);
  color: var(--text);
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  position: relative;
  overflow: hidden;
}

/* TopBar */
.dx-topbar {
  display: flex; align-items: center;
  padding: 38px 14px 10px;  /* 38px top accounts for notch */
  background: var(--navy);
  position: sticky; top: 0; z-index: 5;
}
.dx-logo {
  font-size: 1.15rem; font-weight: 700;
  color: var(--orange);
  letter-spacing: 2px;
  flex: 1;
}
.dx-topbar-edit {
  gap: 6px;
}
.dx-icon-btn {
  background: none; border: none; color: var(--orange);
  width: 32px; height: 32px; padding: 6px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
}
.dx-icon-btn:hover { background: rgba(255,140,0,.12); }
.dx-edit-title { flex: 1; color: #fff; font-weight: 600; font-size: 0.95rem; }
.dx-save-btn {
  background: none; border: none;
  color: var(--orange); font-weight: 700; font-size: 0.85rem;
  padding: 6px 14px; cursor: pointer;
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
}

/* List */
.dx-list {
  flex: 1; overflow-y: auto;
  padding: 8px 12px;
  display: flex; flex-direction: column; gap: 8px;
}
.dx-empty {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: var(--sub); font-size: 0.95rem;
  padding-bottom: 80px;
}
.dx-empty-sub { margin-top: 6px; font-size: 0.8rem; opacity: .7; }

/* Alarm Card */
.dx-card {
  background: var(--navy-card);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  cursor: pointer;
  transition: background .15s;
  position: relative;
}
.dx-card:hover { background: #213652; }
.dx-card.off { opacity: .55; }
.dx-card-left { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.dx-card-label { font-size: 0.7rem; color: var(--sub); }
.dx-card-time {
  font-size: 1.7rem; font-weight: 700;
  color: var(--orange);
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  line-height: 1.1;
}
.dx-card.off .dx-card-time { color: #4A5568; }
.dx-card-chips {
  display: flex; flex-wrap: wrap; gap: 5px;
  margin-top: 2px;
}
.dx-chip {
  font-size: 0.65rem;
  padding: 2px 7px;
  background: rgba(13,27,42,.7);
  color: var(--sub);
  border-radius: 6px;
}
.dx-mini-btn {
  margin-top: 6px;
  align-self: flex-start;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid rgba(255,140,0,.4);
  color: var(--orange);
  font-size: 0.68rem;
  border-radius: 12px;
  cursor: pointer;
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
}
.dx-mini-btn:hover { background: var(--orange); color: #000; }

/* Switch */
.dx-switch {
  flex-shrink: 0;
  position: relative;
  display: inline-block;
  width: 40px; height: 22px;
  cursor: pointer;
}
.dx-switch input { opacity: 0; width: 0; height: 0; }
.dx-switch-track {
  position: absolute; inset: 0;
  background: #4A5568;
  border-radius: 11px;
  transition: background .2s;
}
.dx-switch-thumb {
  position: absolute; left: 2px; top: 2px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: left .2s;
}
.dx-switch.on .dx-switch-track { background: var(--orange); }
.dx-switch.on .dx-switch-thumb { left: 20px; }

/* Duplicate (small icon, top-right next to delete) */
.dx-dup {
  position: absolute; top: 8px; right: 88px;
  background: none; border: none;
  color: var(--sub); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; padding: 4px;
  opacity: .5;
  transition: opacity .15s, color .15s, background .15s;
}
.dx-dup:hover { opacity: 1; color: var(--orange); background: rgba(255,140,0,.12); }

/* Delete (small) */
.dx-del {
  position: absolute; top: 8px; right: 56px;
  background: none; border: none;
  color: var(--sub); cursor: pointer;
  width: 26px; height: 26px;
  border-radius: 50%; padding: 4px;
  opacity: .5;
}
.dx-del:hover { opacity: 1; color: #FF4444; background: rgba(255,68,68,.12); }

/* FAB */
.dx-fab {
  position: absolute; right: 18px; bottom: 18px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--orange);
  color: #000;
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(255,140,0,.4);
  z-index: 8;
  transition: transform .15s;
}
.dx-fab:hover { transform: scale(1.08); }

/* ═════ EDIT SCREEN ═════ */
.dx-body {
  flex: 1; overflow-y: auto;
  padding: 6px 12px 12px;
}
.dx-section {
  background: var(--navy-card);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 8px;
}
.dx-sec-title {
  font-size: 0.7rem; color: var(--sub);
  font-weight: 500;
  margin-bottom: 8px;
}

/* Time picker */
.dx-time-picker {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; padding: 4px 0;
}
.dx-wheel {
  background: rgba(13,27,42,.6);
  border: 1px solid rgba(255,140,0,.2);
  color: var(--orange);
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-size: 1.6rem; font-weight: 700;
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  text-align: center;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
.dx-colon { font-size: 1.6rem; color: #fff; font-weight: 700; }

.dx-text-input {
  width: 100%;
  padding: 10px 12px;
  background: rgba(13,27,42,.4);
  border: 1px solid rgba(255,140,0,.2);
  color: #fff;
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-size: 0.9rem;
  border-radius: 8px;
  outline: none;
  transition: border-color .15s;
}
.dx-text-input:focus { border-color: var(--orange); }
.dx-text-input::placeholder { color: var(--sub); opacity: .7; }

/* Sliders */
.dx-slider-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 8px;
}
.dx-row-val { color: var(--text); font-size: 0.8rem; min-width: 90px; }
.dx-vol-label { color: var(--sub); font-size: 0.72rem; min-width: 28px; }
.dx-vol-pct   { color: var(--sub); font-size: 0.7rem; min-width: 32px; text-align: right; }
.dx-slider {
  flex: 1;
  height: 4px;
  -webkit-appearance: none; appearance: none;
  background: rgba(255,255,255,.1);
  border-radius: 2px;
  outline: none;
}
.dx-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px;
  background: var(--orange);
  border-radius: 50%;
  cursor: pointer;
}
.dx-slider::-moz-range-thumb {
  width: 16px; height: 16px;
  background: var(--orange);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

/* Sub label inside sections */
.dx-sub-label {
  font-size: 0.7rem; color: var(--sub);
  margin: 12px 0 6px;
}

/* Filter chips */
.dx-chip-row {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.dx-fchip {
  padding: 5px 12px;
  background: rgba(13,27,42,.6);
  border: 1px solid rgba(255,140,0,.15);
  color: var(--sub);
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-size: 0.72rem;
  border-radius: 14px;
  cursor: pointer;
  transition: all .15s;
}
.dx-fchip:hover { color: var(--text); border-color: var(--orange); }
.dx-fchip.on {
  background: var(--orange);
  color: #000;
  border-color: var(--orange);
  font-weight: 700;
}
.dx-day { min-width: 32px; }

/* Preview chips */
.dx-preview {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.dx-preview-chip {
  padding: 4px 10px;
  background: var(--navy);
  color: var(--text);
  border-radius: 6px;
  font-size: 0.78rem;
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
}
.dx-preview-chip.on {
  background: var(--orange);
  color: #000;
  font-weight: 700;
}

/* Sound rows */
.dx-divider {
  height: 1px;
  background: rgba(143,168,192,.15);
  margin: 10px 0;
}
.dx-sound-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0;
  cursor: pointer;
  border-radius: 6px;
  padding-left: 4px;
  padding-right: 4px;
}
.dx-sound-row:hover { background: rgba(255,255,255,.03); }
.dx-radio {
  width: 18px; height: 18px;
  border: 2px solid var(--sub);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: border-color .15s;
}
.dx-radio.on { border-color: var(--orange); }
.dx-radio-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--orange);
  opacity: 0;
  transition: opacity .15s;
}
.dx-radio.on .dx-radio-dot { opacity: 1; }
.dx-sound-name {
  flex: 1;
  font-size: 0.85rem;
  color: var(--text);
}
.dx-sound-name.on { color: var(--orange); font-weight: 600; }
.dx-preview-btn {
  background: none; border: none;
  color: var(--sub); cursor: pointer;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.dx-preview-btn:hover { background: rgba(255,140,0,.1); color: var(--orange); }
.dx-preview-btn[data-playing="true"] {
  color: var(--orange);
  background: rgba(255,140,0,.15);
}

/* TTS */
.dx-toggle-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
  padding: 4px 0;
}
.dx-toggle-row span {
  font-size: 0.85rem;
  color: var(--text);
  flex: 1;
}
.dx-textarea {
  width: 100%;
  padding: 10px 12px;
  background: rgba(13,27,42,.4);
  border: 1px solid rgba(255,140,0,.2);
  color: #fff;
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-size: 0.85rem;
  border-radius: 8px;
  outline: none;
  resize: vertical;
  margin-top: 6px;
}
.dx-textarea:focus { border-color: var(--orange); }
.dx-textarea::placeholder { color: var(--sub); opacity: .7; }

/* TTS volume row & preview button */
.dx-tts-vol-wrap {
  margin-top: 10px;
  padding: 10px 12px;
  background: rgba(255,140,0,.05);
  border: 1px solid rgba(255,140,0,.18);
  border-radius: 10px;
}
.dx-tts-vol-row {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap;
}
.dx-tts-vol-row .dx-vol-label {
  font-size: 0.78rem; color: var(--text);
  flex: 0 0 auto;
}
.dx-tts-vol-row .dx-slider { flex: 1 1 auto; min-width: 90px; }
.dx-tts-vol-row .dx-vol-pct {
  font-size: 0.75rem; color: var(--sub); min-width: 36px; text-align: right;
}
.dx-tts-vol-hint {
  font-size: 0.65rem; color: var(--sub); opacity: 0.75;
  margin-top: 6px;
}
.dx-tts-preview {
  display: inline-flex; align-items: center;
  padding: 5px 11px;
  background: transparent;
  color: var(--orange);
  border: 1px solid var(--orange);
  border-radius: 16px;
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-size: 0.72rem; font-weight: 600;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.dx-tts-preview:hover  { background: rgba(255,140,0,.12); }
.dx-tts-preview.playing {
  background: var(--orange);
  color: #000;
}

/* Delete button */
.dx-delete-btn {
  width: 100%;
  padding: 12px;
  background: transparent;
  border: 1px solid #FF4444;
  color: #FF4444;
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-size: 0.85rem;
  border-radius: 12px;
  cursor: pointer;
  margin-top: 12px;
}
.dx-delete-btn:hover { background: rgba(255,68,68,.1); }

/* ═════ RINGING SCREEN (matches RingingScreen.kt) ═════ */
.dx-ringing {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-start;
  padding: 38px 22px 28px;
  background: linear-gradient(180deg, #14213d 0%, #1a3050 50%, #0d2a40 100%);
  position: relative;
  text-align: center;
  gap: 16px;
  overflow: hidden;
  animation: ringPulseBg 2.4s ease-in-out infinite;
}
.dx-ringing.final {
  background: linear-gradient(180deg, #6b0000 0%, #c31a1a 50%, #2d0000 100%);
  animation: ringPulseBgFinal 1.4s ease-in-out infinite;
}
@keyframes ringPulseBg {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.12); }
}
@keyframes ringPulseBgFinal {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.22) saturate(1.15); }
}
/* Pulsing radial halo behind the clock */
.dx-ring-halo {
  position: absolute;
  top: 50%; left: 50%;
  width: 260px; height: 260px;
  margin: -130px 0 0 -130px;
  background: radial-gradient(circle, rgba(255,140,0,.25) 0%, rgba(255,140,0,0) 70%);
  border-radius: 50%;
  animation: ringHalo 1.8s ease-in-out infinite;
  pointer-events: none;
}
.dx-ringing.final .dx-ring-halo {
  background: radial-gradient(circle, rgba(255,68,68,.32) 0%, rgba(255,68,68,0) 70%);
  animation: ringHalo 0.9s ease-in-out infinite;
}
@keyframes ringHalo {
  0%, 100% { transform: scale(0.85); opacity: 0.55; }
  50%      { transform: scale(1.15); opacity: 1; }
}
.dx-ring-top {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  margin-top: 6px;
  position: relative; z-index: 1;
}
.dx-ring-badge {
  font-size: 0.72rem;
  letter-spacing: 3px;
  color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.08);
  padding: 5px 14px;
  border-radius: 12px;
  font-weight: 600;
}
.dx-ring-badge.final {
  background: #FF4444;
  color: #fff;
  font-weight: 800;
  letter-spacing: 1.5px;
  box-shadow: 0 4px 18px rgba(255,68,68,.55);
  animation: badgePulse 0.9s ease-in-out infinite;
}
@keyframes badgePulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.06); }
}
.dx-ring-sublabel {
  font-size: 0.85rem;
  color: rgba(255,255,255,.85);
  font-weight: 500;
}
/* Live giant clock (72sp Thin equivalent) */
.dx-ring-clock {
  font-size: 4.4rem;
  font-weight: 200;
  color: #fff;
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  letter-spacing: 6px;
  line-height: 1;
  margin: 14px 0 4px;
  text-shadow: 0 4px 30px rgba(255,140,0,.4);
  position: relative; z-index: 1;
  font-variant-numeric: tabular-nums;
}
.dx-ringing.final .dx-ring-clock {
  text-shadow: 0 4px 30px rgba(255,68,68,.6);
}
.dx-ring-sched {
  font-size: 0.72rem;
  color: rgba(255,255,255,.55);
  letter-spacing: 1px;
  position: relative; z-index: 1;
}
.dx-ring-dots {
  display: flex; gap: 10px;
  margin: 18px 0 4px;
  align-items: center;
  position: relative; z-index: 1;
}
.dx-ring-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  transition: all 0.2s ease;
}
.dx-ring-dot.active { background: rgba(255,193,79,.5); width: 10px; height: 10px; }
.dx-ring-dot.current {
  background: var(--orange);
  width: 14px; height: 14px;
  box-shadow: 0 0 14px rgba(255,140,0,.8);
  animation: dotPulse 0.8s ease-in-out infinite;
}
.dx-ringing.final .dx-ring-dot.current {
  background: #FF4444;
  box-shadow: 0 0 14px rgba(255,68,68,.9);
}
@keyframes dotPulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.25); }
}
.dx-ring-meta {
  font-size: 0.72rem; color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.08);
  padding: 4px 14px;
  border-radius: 12px;
  position: relative; z-index: 1;
  letter-spacing: 0.5px;
}
.dx-ring-tts {
  font-size: 0.82rem; color: rgba(255,255,255,.85);
  margin-top: 6px;
  padding: 10px 16px;
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  max-width: 260px;
  line-height: 1.6;
  text-align: center;
  position: relative; z-index: 1;
  font-style: italic;
}
.dx-ring-actions {
  margin-top: auto;
  padding-top: 18px;
  position: relative; z-index: 1;
}
.dx-ring-stop {
  width: 124px; height: 124px;
  border-radius: 50%;
  background: var(--orange);
  color: #000;
  border: none;
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(255,140,0,.55), inset 0 -3px 0 rgba(0,0,0,.18);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.dx-ring-stop:hover  { transform: scale(1.04); box-shadow: 0 12px 40px rgba(255,140,0,.7); }
.dx-ring-stop:active { transform: scale(0.96); }
.dx-ring-stop-icon { display: flex; align-items: center; justify-content: center; }
.dx-ring-stop-label {
  font-weight: 800; font-size: 0.88rem; letter-spacing: 2px;
}
.dx-ringing.final .dx-ring-stop {
  background: #FF4444; color: #fff;
  box-shadow: 0 8px 32px rgba(255,68,68,.6), inset 0 -3px 0 rgba(0,0,0,.2);
}
.dx-ringing.final .dx-ring-stop:hover { box-shadow: 0 12px 40px rgba(255,68,68,.75); }
.dx-ring-next {
  margin-top: 12px;
  padding: 8px 18px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.8);
  font-family: 'Zen Kaku Gothic Antique', sans-serif;
  font-size: 0.74rem;
  border-radius: 18px;
  cursor: pointer;
  position: relative; z-index: 1;
}
.dx-ring-next:hover { color: var(--orange); border-color: var(--orange); background: rgba(255,140,0,.08); }

/* ───── Responsive ───── */
@media (max-width: 720px) {
  .nav-left { gap: 12px; }
  .nav-menu-item { padding: 6px 8px; font-size: 0.75rem; letter-spacing: 0; }
}
@media (max-width: 480px) {
  .demo-phone { width: 100%; border-radius: 32px; padding: 10px; }
  #demoApp { height: 640px; border-radius: 22px; }
  .dx-card-time { font-size: 1.4rem; }
  .dx-ring-clock { font-size: 3.6rem; letter-spacing: 4px; }
  .dx-ring-stop { width: 108px; height: 108px; }
  .dx-ring-halo { width: 220px; height: 220px; margin: -110px 0 0 -110px; }
  .nav-menu-item { padding: 5px 6px; font-size: 0.7rem; }
  .dl-btn-secondary { padding: 12px 28px; font-size: 0.85rem; }
}