/* ==========================================================================
   Captiq Instant — 100% client-side video editor styles.
   Premium dark macOS-feel: frosted glass, spring easing, vibrancy.
   All selectors namespaced with `inst-`. No external dependencies.
   ========================================================================== */

:root {
  --inst-bg: #07070d;
  --inst-bg-2: #0c0c16;
  --inst-glass: rgba(255, 255, 255, 0.055);
  --inst-glass-2: rgba(255, 255, 255, 0.09);
  --inst-border: rgba(255, 255, 255, 0.11);
  --inst-text: #f2f2f7;
  --inst-text-dim: rgba(235, 235, 245, 0.6);
  --inst-text-faint: rgba(235, 235, 245, 0.38);
  --inst-accent: #7c5cff;
  --inst-accent-2: #00e5ff;
  --inst-accent-grad: linear-gradient(135deg, #7c5cff 0%, #00c8ff 100%);
  --inst-danger: #ff5c7a;
  --inst-ok: #30d158;
  --inst-radius: 16px;
  --inst-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --inst-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --inst-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }

.inst-page {
  margin: 0;
  min-height: 100vh;
  color: var(--inst-text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(1100px 500px at 15% -10%, rgba(124, 92, 255, 0.22), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(0, 229, 255, 0.12), transparent 60%),
    radial-gradient(700px 600px at 50% 110%, rgba(124, 92, 255, 0.1), transparent 60%),
    var(--inst-bg);
  -webkit-font-smoothing: antialiased;
}

/* ---------------------------------------------------------------- header */
.inst-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  background: rgba(10, 10, 18, 0.55);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
  backdrop-filter: blur(22px) saturate(170%);
  border-bottom: 1px solid var(--inst-border);
}

.inst-back {
  color: var(--inst-text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 10px;
  transition: background 0.2s var(--inst-ease), transform 0.25s var(--inst-spring);
}
.inst-back:hover { background: var(--inst-glass-2); transform: translateX(-2px); }

.inst-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; letter-spacing: -0.01em; }
.inst-logo {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--inst-accent-grad);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 17px; box-shadow: 0 6px 18px rgba(124, 92, 255, 0.45);
}

.inst-badge {
  font-size: 11px; font-weight: 700;
  padding: 5px 11px; border-radius: 999px;
  background: rgba(48, 209, 88, 0.14);
  border: 1px solid rgba(48, 209, 88, 0.35);
  color: #7dff9e;
  white-space: nowrap;
}

.inst-header-spacer { flex: 1; }

/* ---------------------------------------------------------------- buttons */
.inst-btn {
  appearance: none;
  border: 1px solid var(--inst-border);
  background: var(--inst-glass);
  color: var(--inst-text);
  font: inherit;
  font-size: 14px; font-weight: 700;
  padding: 11px 18px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.25s var(--inst-spring), background 0.2s var(--inst-ease), box-shadow 0.25s var(--inst-ease), opacity 0.2s;
  -webkit-tap-highlight-color: transparent;
  min-height: 44px;
}
.inst-btn:hover { background: var(--inst-glass-2); transform: translateY(-1px) scale(1.02); }
.inst-btn:active { transform: scale(0.97); }
.inst-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.inst-btn-primary {
  background: var(--inst-accent-grad);
  border: none;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.4);
}
.inst-btn-primary:hover { background: var(--inst-accent-grad); box-shadow: 0 12px 30px rgba(124, 92, 255, 0.55); }

.inst-btn-sm { padding: 8px 13px; font-size: 13px; min-height: 38px; border-radius: 10px; }
.inst-btn-danger { border-color: rgba(255, 92, 122, 0.4); color: #ff8ba0; }
.inst-btn-danger:hover { background: rgba(255, 92, 122, 0.14); }

.inst-chip {
  border: 1px solid var(--inst-border);
  background: var(--inst-glass);
  color: var(--inst-text-dim);
  font: inherit; font-size: 13px; font-weight: 700;
  padding: 9px 14px; border-radius: 999px; cursor: pointer;
  transition: all 0.25s var(--inst-spring);
  min-height: 40px;
}
.inst-chip:hover { transform: translateY(-1px); color: var(--inst-text); }
.inst-chip.inst-active {
  background: var(--inst-accent-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 18px rgba(124, 92, 255, 0.4);
}

/* ---------------------------------------------------------------- layout */
.inst-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  padding: 18px 20px 60px;
  max-width: 1380px;
  margin: 0 auto;
  align-items: start;
}

.inst-card {
  background: var(--inst-glass);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  backdrop-filter: blur(22px) saturate(160%);
  border: 1px solid var(--inst-border);
  border-radius: var(--inst-radius);
  box-shadow: var(--inst-shadow);
  padding: 18px;
  animation: inst-rise 0.5s var(--inst-ease) backwards;
}
.inst-card h3 {
  margin: 0 0 4px;
  font-size: 14px; font-weight: 800;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--inst-text-dim);
}
.inst-card p.inst-hint { margin: 0 0 12px; font-size: 12.5px; color: var(--inst-text-faint); line-height: 1.5; }

@keyframes inst-rise {
  from { opacity: 0; transform: translateY(14px) scale(0.99); }
  to { opacity: 1; transform: none; }
}

.inst-side { display: flex; flex-direction: column; gap: 14px; }
.inst-side .inst-card:nth-child(2) { animation-delay: 0.06s; }
.inst-side .inst-card:nth-child(3) { animation-delay: 0.12s; }
.inst-side .inst-card:nth-child(4) { animation-delay: 0.18s; }
.inst-side .inst-card:nth-child(5) { animation-delay: 0.24s; }

/* ---------------------------------------------------------------- stage */
.inst-stage { position: relative; overflow: hidden; padding: 0; }
.inst-canvas-wrap {
  position: relative;
  background: #000;
  border-radius: var(--inst-radius) var(--inst-radius) 0 0;
  overflow: hidden;
  min-height: 280px;
  display: flex; align-items: center; justify-content: center;
}
#inst-canvas { display: block; max-width: 100%; height: auto; max-height: 62vh; cursor: pointer; }

.inst-drop {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; text-align: center; padding: 30px;
  cursor: pointer;
  background: radial-gradient(600px 300px at 50% 40%, rgba(124, 92, 255, 0.14), transparent 70%);
  transition: background 0.25s var(--inst-ease);
  z-index: 2;
}
.inst-drop:hover, .inst-drop.inst-dragover {
  background: radial-gradient(700px 340px at 50% 40%, rgba(124, 92, 255, 0.28), transparent 70%);
}
.inst-drop[hidden] { display: none; }
.inst-drop-icon {
  font-size: 52px;
  filter: drop-shadow(0 8px 20px rgba(124, 92, 255, 0.5));
  animation: inst-float 3s ease-in-out infinite;
}
@keyframes inst-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
.inst-drop strong { font-size: 19px; letter-spacing: -0.01em; }
.inst-drop span { color: var(--inst-text-dim); font-size: 13.5px; max-width: 340px; line-height: 1.55; }
.inst-drop .inst-privacy {
  margin-top: 6px; font-size: 12px; color: #7dff9e;
  background: rgba(48, 209, 88, 0.1); border: 1px solid rgba(48, 209, 88, 0.3);
  padding: 7px 14px; border-radius: 999px;
}

/* transport bar */
.inst-transport {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  border-top: 1px solid var(--inst-border);
}
.inst-play {
  width: 52px; height: 52px; border-radius: 50%;
  border: none; cursor: pointer; font-size: 20px; color: #fff;
  background: var(--inst-accent-grad);
  box-shadow: 0 8px 22px rgba(124, 92, 255, 0.5);
  transition: transform 0.25s var(--inst-spring);
  flex: none;
}
.inst-play:hover { transform: scale(1.07); }
.inst-play:active { transform: scale(0.94); }
.inst-time { font-size: 13px; font-weight: 700; color: var(--inst-text-dim); white-space: nowrap; font-variant-numeric: tabular-nums; }

/* trim sliders */
.inst-trim { padding: 4px 18px 18px; }
.inst-trim-row { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.inst-trim-row label { font-size: 12px; font-weight: 800; color: var(--inst-text-faint); text-transform: uppercase; letter-spacing: 0.05em; width: 44px; flex: none; }
.inst-trim-row output { font-size: 12.5px; font-weight: 700; color: var(--inst-text-dim); width: 62px; text-align: right; font-variant-numeric: tabular-nums; flex: none; }

input[type="range"].inst-range {
  -webkit-appearance: none; appearance: none;
  flex: 1; height: 34px; background: transparent; cursor: pointer; margin: 0;
}
input[type="range"].inst-range::-webkit-slider-runnable-track {
  height: 8px; border-radius: 999px;
  background: linear-gradient(90deg, rgba(124,92,255,0.55), rgba(0,200,255,0.55));
  border: 1px solid rgba(255,255,255,0.14);
}
input[type="range"].inst-range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 26px; height: 26px; border-radius: 50%;
  background: #fff; margin-top: -10px;
  border: 3px solid var(--inst-accent);
  box-shadow: 0 4px 14px rgba(124, 92, 255, 0.55);
  transition: transform 0.2s var(--inst-spring);
}
input[type="range"].inst-range::-webkit-slider-thumb:active { transform: scale(1.2); }
input[type="range"].inst-range::-moz-range-track {
  height: 8px; border-radius: 999px;
  background: linear-gradient(90deg, rgba(124,92,255,0.55), rgba(0,200,255,0.55));
}
input[type="range"].inst-range::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 3px solid var(--inst-accent);
  box-shadow: 0 4px 14px rgba(124, 92, 255, 0.55);
}

/* ---------------------------------------------------------------- forms */
.inst-field { margin-bottom: 12px; }
.inst-field label { display: block; font-size: 12px; font-weight: 700; color: var(--inst-text-dim); margin-bottom: 6px; }
.inst-input, .inst-select {
  width: 100%;
  font: inherit; font-size: 14px; color: var(--inst-text);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--inst-border);
  border-radius: 11px;
  padding: 11px 13px;
  outline: none;
  transition: border-color 0.2s var(--inst-ease), box-shadow 0.2s var(--inst-ease);
  min-height: 44px;
}
.inst-input:focus, .inst-select:focus {
  border-color: var(--inst-accent);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.28);
}
.inst-select option { background: #14141f; }
.inst-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.inst-chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
input[type="color"].inst-color {
  -webkit-appearance: none; appearance: none;
  width: 52px; height: 44px; border: 1px solid var(--inst-border);
  border-radius: 11px; background: rgba(0,0,0,0.35); padding: 4px; cursor: pointer;
}
input[type="color"].inst-color::-webkit-color-swatch-wrapper { padding: 2px; }
input[type="color"].inst-color::-webkit-color-swatch { border: none; border-radius: 7px; }
input[type="color"].inst-color::-moz-color-swatch { border: none; border-radius: 7px; }

/* item lists (texts / captions) */
.inst-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; max-height: 220px; overflow-y: auto; }
.inst-item {
  display: flex; align-items: center; gap: 10px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--inst-border);
  border-radius: 11px; padding: 9px 11px;
  font-size: 13px;
  animation: inst-rise 0.35s var(--inst-ease) backwards;
}
.inst-item span.inst-item-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--inst-text); }
.inst-item small { color: var(--inst-text-faint); font-variant-numeric: tabular-nums; white-space: nowrap; }
.inst-icon-btn {
  border: none; background: var(--inst-glass-2); color: var(--inst-text-dim);
  width: 34px; height: 34px; border-radius: 9px; cursor: pointer; font-size: 14px; flex: none;
  transition: transform 0.2s var(--inst-spring), background 0.2s;
}
.inst-icon-btn:hover { transform: scale(1.1); color: var(--inst-text); }
.inst-empty { font-size: 12.5px; color: var(--inst-text-faint); text-align: center; padding: 10px; }

/* caption live preview */
.inst-livecap {
  margin-top: 10px; font-size: 13px; color: var(--inst-text-dim);
  background: rgba(0,0,0,0.35); border: 1px dashed var(--inst-border);
  border-radius: 11px; padding: 10px 12px; min-height: 42px; line-height: 1.5;
}
.inst-livecap:empty::before { content: "Live transcript will appear here…"; color: var(--inst-text-faint); }
.inst-rec-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--inst-danger); margin-right: 7px; animation: inst-blink 1s infinite; }
@keyframes inst-blink { 50% { opacity: 0.25; } }

/* export */
.inst-progress { height: 10px; border-radius: 999px; background: rgba(0,0,0,0.4); border: 1px solid var(--inst-border); overflow: hidden; margin: 12px 0 4px; }
.inst-progress > div {
  height: 100%; width: 0%;
  background: var(--inst-accent-grad);
  border-radius: 999px;
  transition: width 0.15s linear;
  box-shadow: 0 0 12px rgba(124, 92, 255, 0.7);
}
.inst-progress-label { font-size: 12.5px; color: var(--inst-text-dim); font-weight: 600; min-height: 18px; }

/* toast */
.inst-toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(20px);
  background: rgba(20, 20, 32, 0.85);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--inst-border);
  color: var(--inst-text);
  font-size: 14px; font-weight: 600;
  padding: 13px 20px; border-radius: 14px;
  box-shadow: var(--inst-shadow);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s var(--inst-ease), transform 0.35s var(--inst-spring);
  z-index: 200; max-width: min(92vw, 480px); text-align: center;
}
.inst-toast.inst-show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* footer note */
.inst-foot { text-align: center; color: var(--inst-text-faint); font-size: 12px; padding: 0 20px 30px; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 980px) {
  .inst-main { grid-template-columns: 1fr; }
  .inst-side { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
}
@media (max-width: 640px) {
  .inst-side { grid-template-columns: 1fr; }
  .inst-main { padding: 12px 12px 50px; gap: 12px; }
  .inst-header { padding: 10px 12px; gap: 8px; }
  .inst-badge { display: none; }
  #inst-canvas { max-height: 46vh; }
}

@media (prefers-reduced-motion: reduce) {
  .inst-card, .inst-item { animation: none; }
  .inst-drop-icon { animation: none; }
  * { transition-duration: 0.01ms !important; }
}