/* ============================================
   Voice Chat Card — premium Dynamic Island UI
   Motion is 100% GSAP timeline
   ============================================ */

:root {
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --bg: #f5f5f7;
  --shell: #ffffff;
  --ink: #1d1d1f;
  --title: #1d1d1f;
  --name: #86868b;
  --more: #86868b;
  --hint: #aeaeb2;
  --close: #aeaeb2;
  --badge: #1c1c1e;
  --line: rgba(0, 0, 0, 0.06);

  /* Closed island (horizontal capsule) */
  --pill-w: 232px;
  --pill-h: 52px;
  /* Real radius = half height — never use 999 during morph */
  --r-pill: 26px;

  /* Open card */
  --card-w: 300px;
  --card-h: 360px;
  --r-card: 24px;

  /* Join button — soft rect, not full pill */
  --r-btn: 14px;

  --av-sm: 36px;
  --av-lg: 52px;
}

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

html,
body {
  height: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  pointer-events: none;
}

/* ---------- Page ---------- */

.page {
  min-height: 100%;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(ellipse 70% 50% at 50% 45%, #ffffff 0%, transparent 70%),
    var(--bg);
}

/* ---------- Widget root ---------- */

.vc {
  position: relative;
  width: var(--pill-w);
  height: var(--pill-h);
  outline: none;
  cursor: pointer;
  will-change: width, height;
  transform-origin: center center;
  /* GPU layer for smoother size morph */
  transform: translateZ(0);
  backface-visibility: hidden;
}

.vc[data-state="open"] {
  cursor: default;
}

.vc__shell {
  position: absolute;
  inset: 0;
  background: var(--shell);
  border-radius: var(--r-pill);
  /* visible by default so speak / live badges aren't clipped.
     GSAP toggles to hidden only while the island is morphing. */
  overflow: visible;
  will-change: border-radius, box-shadow;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.03),
    0 2px 4px rgba(0, 0, 0, 0.02),
    0 8px 20px rgba(0, 0, 0, 0.05),
    0 20px 48px rgba(0, 0, 0, 0.06);
}

/* Inner clip — clips morph content; GSAP sets overflow visible
   when idle so speak / live badges are never cut off */
.vc__clip {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  /* isolate painting so bars animate cleanly */
  transform: translateZ(0);
}

/* ---------- Avatars ---------- */

.av {
  position: relative;
  border-radius: 50%;
  flex-shrink: 0;
  background: #e8e8ed;
  overflow: visible;
}

.av img {
  border-radius: 50%;
}

.av--sm {
  width: var(--av-sm);
  height: var(--av-sm);
  border: 2px solid #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.av--lg {
  width: var(--av-lg);
  height: var(--av-lg);
}

.av--lg > img {
  width: var(--av-lg);
  height: var(--av-lg);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.av--ring {
  background: conic-gradient(
    from 160deg,
    #ff5f6d,
    #ffc371,
    #47e0a0,
    #4facfe,
    #a18cd1,
    #ff5f6d
  );
  padding: 2px;
  border: none;
  box-shadow: 0 0 0 2px #fff;
}

.av--sm.av--ring {
  width: var(--av-sm);
  height: var(--av-sm);
}

.av--lg.av--ring {
  width: var(--av-lg);
  height: var(--av-lg);
  padding: 2.5px;
  box-shadow: none;
}

.av--ring img {
  width: 100%;
  height: 100%;
  box-shadow: none;
}

.av__play {
  position: absolute;
  inset: 0;
  margin: auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: #1c1c1e;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.14);
  pointer-events: none;
}

.av__play--sm {
  width: 16px;
  height: 16px;
}

.av__play--sm svg {
  width: 7px;
  height: 7px;
  margin-left: 0.5px;
}

.av__play--lg {
  width: 24px;
  height: 24px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.16);
}

.av__play--lg svg {
  width: 9px;
  height: 9px;
  margin-left: 1px;
}

/* Speaking badge — corner of avatar; stays inside card padding */
.av__speak {
  position: absolute;
  top: -2px;
  right: -3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--badge);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 2px #fff, 0 1px 3px rgba(0, 0, 0, 0.12);
  z-index: 6;
  overflow: visible;
}

/* ---------- Animated voice waveform ---------- */

.wave-badge {
  display: grid;
  place-items: center;
}

.wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5px;
  height: 10px;
  pointer-events: none;
}

.wave--live {
  height: 11px;
  gap: 1.6px;
}

.wave--speak {
  height: 9px;
  gap: 1.4px;
}

.wave__bar {
  display: block;
  width: 1.6px;
  height: 100%;
  border-radius: 99px;
  background: currentColor;
  transform: scaleY(0.4);
  transform-origin: center center;
  will-change: transform;
  /* ensure scaleY is never clipped by parent radius */
  backface-visibility: hidden;
}

.wave--live .wave__bar {
  width: 1.7px;
}

.wave--speak .wave__bar {
  width: 1.5px;
}

/* ---------- Closed island ---------- */

.vc-closed {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 0 14px 0 10px;
  z-index: 2;
  /* Pill content is one layer */
}

.vc-closed__live {
  position: absolute;
  top: 2px;
  left: 5px;
  z-index: 8;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--badge);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow:
    0 0 0 2.5px #fff,
    0 1px 3px rgba(0, 0, 0, 0.12);
  overflow: visible;
}

.vc-closed__stack {
  display: flex;
  align-items: center;
  margin-left: 2px;
}

.vc-closed__stack .av {
  margin-left: -9px;
}

.vc-closed__stack .av:first-child {
  margin-left: 0;
}

.vc-closed__more {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 1px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--more);
  letter-spacing: -0.015em;
  padding-left: 8px;
  line-height: 1;
  user-select: none;
}

.vc-closed__more svg {
  width: 11px;
  height: 11px;
  color: #c7c7cc;
  position: relative;
  top: 0.5px;
}

/* ---------- Open card ---------- */

.vc-open {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 16px 18px 18px;
  z-index: 1;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  /* Whole card content is one layer — no per-item animation */
}

.vc[data-state="open"] .vc-open {
  pointer-events: auto;
}

.vc-open__header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  margin-bottom: 18px;
  flex-shrink: 0;
}

.vc-open__title {
  font-size: 15px;
  font-weight: 550;
  color: var(--title);
  letter-spacing: -0.025em;
  line-height: 1;
}

.vc-open__close {
  position: absolute;
  right: -4px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: var(--close);
  border-radius: 8px;
}

.vc-open__close:hover {
  color: #636366;
  background: rgba(0, 0, 0, 0.04);
}

.vc-open__close svg {
  width: 13px;
  height: 13px;
}

.vc-open__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  overflow: visible;
}

.vc-row {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0 2px;
  overflow: visible;
}

.vc-row--3 {
  justify-content: center;
  gap: 28px;
  padding: 0;
}

.person {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 60px;
  overflow: visible;
}

.person__name {
  font-size: 12px;
  font-weight: 500;
  color: var(--name);
  letter-spacing: -0.01em;
  line-height: 1.15;
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Footer ---------- */

.vc-open__footer {
  margin-top: auto;
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/*
 * Join button — soft rectangle (NOT full pill)
 * Premium 3D black gradient
 */
.join {
  width: 100%;
  height: 46px;
  border-radius: var(--r-btn);
  color: #fff;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.015em;
  position: relative;
  overflow: hidden;

  background: linear-gradient(
    180deg,
    #3e3e40 0%,
    #2e2e30 12%,
    #1c1c1e 42%,
    #121214 72%,
    #0a0a0c 100%
  );

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(0, 0, 0, 0.4),
    0 1px 1px rgba(0, 0, 0, 0.08),
    0 4px 12px rgba(0, 0, 0, 0.16),
    0 12px 28px rgba(0, 0, 0, 0.1);
}

.join::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 1px;
  height: 40%;
  border-radius: calc(var(--r-btn) - 2px);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.16) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.join:hover {
  filter: brightness(1.1);
}

.join:active {
  filter: brightness(0.95);
  transform: translateY(0.5px);
}

.vc-open__hint {
  font-size: 12px;
  font-weight: 400;
  color: var(--hint);
  letter-spacing: -0.01em;
  text-align: center;
  line-height: 1.3;
}

/* ---------- Focus ---------- */

.vc:focus-visible .vc__shell {
  outline: 2px solid #1c1c1e;
  outline-offset: 3px;
}

.vc[data-state="open"]:focus-visible .vc__shell {
  outline: none;
}

.vc-open__close:focus-visible,
.join:focus-visible {
  outline: 2px solid #1c1c1e;
  outline-offset: 2px;
}

@media (max-width: 360px) {
  :root {
    --card-w: min(300px, calc(100vw - 28px));
    --pill-w: min(232px, calc(100vw - 36px));
  }
}