:root {
  --bg: #0b1020;
  --bg-2: #0f1830;
  --card: rgba(20, 28, 54, 0.7);
  --card-border: rgba(148, 163, 184, 0.14);
  --text: #e6ecff;
  --muted: #97a3c6;
  --accent: #7c5cff;
  --accent-2: #4cc9f0;
  --accent-hover: #6a4cff;
  --success: #22c55e;
  --error: #f87171;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 16px;
}

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

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(124, 92, 255, 0.22), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(76, 201, 240, 0.18), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed; /* градиент прилеплен к viewport, не обрывается при длинной странице */
  min-height: 100vh;
  display: flex;
  /* safe center: при переполнении вертикальный центр переключается на flex-start,
     чтобы верхушка не уезжала за viewport и оставалась доступной скроллом */
  align-items: safe center;
  justify-content: center;
  padding: 32px 20px;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero {
  text-align: center;
  padding: 8px 0 4px;
}
.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.hero-top .badge { margin-bottom: 0; }

.badge {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(124, 92, 255, 0.12);
  color: #c8b8ff;
  border: 1px solid rgba(124, 92, 255, 0.3);
  margin-bottom: 14px;
}

/* === Login overlay === */
.login-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(900px 500px at 50% 0%, rgba(124, 92, 255, 0.18), transparent 60%),
    rgba(8, 12, 28, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  z-index: 100;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.login-card h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.login-subtitle {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 4px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.login-field span {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.login-field input {
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.15s, background 0.15s;
}
.login-field input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(0, 0, 0, 0.3);
}

h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff 0%, #c5cfff 60%, #9fb4ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
}

.subtitle {
  color: var(--muted);
  font-size: 15px;
}

.card {
  background: var(--card);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 40px 20px;
  border: 1.5px dashed rgba(148, 163, 184, 0.28);
  border-radius: 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.dropzone:hover,
.dropzone.drag-over {
  border-color: var(--accent);
  background: rgba(124, 92, 255, 0.06);
}
.dropzone.drag-over { transform: scale(1.01); }

.dropzone-icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
  display: grid;
  place-items: center;
  background: rgba(124, 92, 255, 0.1);
  border-radius: 12px;
}
.dropzone-icon svg { width: 26px; height: 26px; }

.dropzone-text { font-size: 15px; color: var(--text); }
.dropzone-hint { font-size: 12px; color: var(--muted); }
.link { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }

.file-info {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(124, 92, 255, 0.08);
  border: 1px solid rgba(124, 92, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.file-info-main { display: flex; align-items: center; gap: 12px; min-width: 0; }
.file-icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  color: var(--accent); background: rgba(124, 92, 255, 0.12);
  border-radius: 8px; flex-shrink: 0;
}
.file-icon svg { width: 20px; height: 20px; }
.file-meta { min-width: 0; }
.file-name { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-size { font-size: 12px; color: var(--muted); }

.icon-btn {
  background: none; border: none; cursor: pointer;
  color: var(--muted); font-size: 22px; line-height: 1;
  width: 28px; height: 28px; border-radius: 6px;
  display: grid; place-items: center;
}
.icon-btn:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }

/* === Settings (mode + VAD) === */
.settings {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.settings-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.segmented {
  display: inline-flex;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}
.segmented input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.segmented label {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  padding: 7px 14px;
  border-radius: 7px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s, color 0.15s;
}
.segmented label:hover { color: var(--text); }
.segmented input[type="radio"]:checked + label {
  background: linear-gradient(135deg, var(--accent) 0%, #5a8bff 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(124, 92, 255, 0.35);
}
.segmented input[type="radio"]:focus-visible + label {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.settings-hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: -4px;
}

/* Toggle */
.toggle {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}
.toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.toggle-track {
  flex-shrink: 0;
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.25);
  position: relative;
  transition: background 0.15s;
  margin-top: 2px;
}
.toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  transition: transform 0.18s ease, background 0.15s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
}
.toggle input[type="checkbox"]:checked + .toggle-track {
  background: var(--accent);
}
.toggle input[type="checkbox"]:checked + .toggle-track .toggle-knob {
  transform: translateX(16px);
}
.toggle input[type="checkbox"]:focus-visible + .toggle-track {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}
.toggle-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.35;
}
.toggle-title { font-size: 14px; color: var(--text); }
.toggle-desc { font-size: 12px; color: var(--muted); }

.timer {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  margin-left: auto;
  font-size: 14px;
}

.primary-btn {
  width: 100%;
  margin-top: 16px;
  padding: 13px 16px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, #5a8bff 100%);
  color: white;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.2s, opacity 0.2s;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}
.primary-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(124, 92, 255, 0.45); }
.primary-btn:active:not(:disabled) { transform: translateY(0); }
.primary-btn:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; }

.status {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  display: flex; align-items: center; gap: 10px;
}
.status.loading { background: rgba(124, 92, 255, 0.1); color: #c5b6ff; border: 1px solid rgba(124, 92, 255, 0.2); }
.status.error   { background: rgba(248, 113, 113, 0.1); color: var(--error); border: 1px solid rgba(248, 113, 113, 0.25); }
.status.success { background: rgba(34, 197, 94, 0.1); color: var(--success); border: 1px solid rgba(34, 197, 94, 0.25); }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.result-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap; gap: 10px;
}
.result-header h2 { font-size: 18px; font-weight: 600; }

.result-actions { display: flex; gap: 8px; }
.ghost-btn {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.ghost-btn:hover { background: rgba(255, 255, 255, 0.05); border-color: rgba(148, 163, 184, 0.3); }

#result-text {
  width: 100%;
  min-height: 220px;
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.6;
  resize: vertical;
}
#result-text:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding-top: 8px;
}

.hidden { display: none !important; }

@media (max-width: 520px) {
  .card { padding: 18px; }
  .dropzone { padding: 28px 14px; }
}