:root {
  --bg: #020617;
  --bg-soft: #02081f;
  --panel: #02081f;
  --panel-soft: #020b2a;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.15);
  --danger: #f97373;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1f2937;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.9);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body.sr-body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #0b1120 0, #020617 55%, #000 100%);
  color: var(--text);
  font-family: var(--font-sans);
  display: flex;
  flex-direction: column;
}

/* Header */

.sr-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.9),
    rgba(15, 23, 42, 0.6)
  );
  position: sticky;
  top: 0;
  z-index: 20;
}

.sr-logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--muted);
}

.sr-logo span {
  color: var(--accent);
}

.sr-nav {
  display: flex;
  gap: 12px;
}

.sr-nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.18s ease-out;
}

.sr-nav-link:hover {
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.8);
}

.sr-nav-link-active {
  color: var(--accent);
  border-color: rgba(56, 189, 248, 0.5);
  background: rgba(15, 23, 42, 0.9);
}

/* Main layout */

.sr-main {
  flex: 1;
  padding: 24px;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
}

.sr-main-read {
  max-width: 1200px;
}

/* Panels */

.sr-panel {
  background: radial-gradient(circle at top left, #020b2a 0, #020617 55%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(31, 41, 55, 0.9);
  box-shadow: var(--shadow-soft);
  padding: 24px 24px 28px;
}

.sr-panel-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 28px;
  margin-bottom: 24px;
}

.sr-panel-secondary {
  margin-top: 16px;
}

/* Hero */

.sr-hero-text h1 {
  font-size: 2.1rem;
  margin: 0 0 12px;
}

.sr-hero-text h1 span {
  color: var(--accent);
}

.sr-hero-text p {
  margin: 0 0 12px;
  color: var(--muted);
}

.sr-hero-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}

.sr-hero-list li {
  margin-bottom: 6px;
  color: var(--muted);
}

.sr-hero-card {
  background: radial-gradient(circle at top, #020b2a 0, #020617 60%);
  border-radius: var(--radius-md);
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 18px 18px 20px;
}

.sr-hero-card h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

/* Form */

.sr-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sr-form label {
  font-size: 0.85rem;
  color: var(--muted);
}

.sr-form select {
  background: #020617;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(55, 65, 81, 0.9);
  color: var(--text);
  padding: 8px 10px;
  font-size: 0.9rem;
  outline: none;
}

.sr-form select:focus {
  border-color: var(--accent);
}

/* Buttons */

.sr-btn {
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 8px 16px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.16s ease-out;
  font-weight: 500;
}

.sr-btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #22c55e);
  color: #0b1120;
  box-shadow: 0 12px 30px rgba(34, 197, 94, 0.4);
  margin-top: 6px;
}

.sr-btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.sr-btn-danger {
  background: rgba(248, 113, 113, 0.1);
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.5);
}

.sr-btn-danger:disabled {
  opacity: 0.4;
  cursor: default;
}

.sr-btn-outline {
  background: transparent;
  color: var(--muted);
  border-color: rgba(148, 163, 184, 0.4);
}

.sr-btn-outline:hover {
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.7);
}

/* Secondary panel */

.sr-panel-secondary h2 {
  margin-top: 0;
  margin-bottom: 12px;
}

.sr-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.sr-card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-md);
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 14px 14px 16px;
}

.sr-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.sr-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Reading page */

.sr-panel-reading {
  padding: 22px 22px 26px;
}

.sr-reading-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.sr-reading-header h1 {
  margin: 0 0 4px;
  font-size: 1.4rem;
}

.sr-reading-header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.sr-reading-status {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sr-badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--muted);
}

.sr-badge.sr-badge-live {
  border-color: rgba(248, 113, 113, 0.7);
  color: var(--danger);
  background: rgba(248, 113, 113, 0.08);
}

.sr-timer {
  font-family: "SF Mono", ui-monospace, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 0.9rem;
  color: var(--accent);
}

.sr-reading-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 20px;
}

.sr-reading-text {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-md);
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 16px 16px 18px;
}

.sr-reading-text h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.sr-reading-text p {
  margin: 0;
  line-height: 1.6;
  font-size: 1rem;
}

/* Recorder */

.sr-reading-recorder {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sr-recorder-preview {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(31, 41, 55, 0.9);
  background: radial-gradient(circle at top, #020b2a 0, #020617 60%);
  min-height: 200px;
}

#sr-video-preview,
#sr-audio-preview {
  width: 100%;
  height: 100%;
  display: block;
  background: #020617;
}

.sr-recorder-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 10px 12px;
  background: linear-gradient(
    to top,
    rgba(15, 23, 42, 0.9),
    transparent 60%
  );
  pointer-events: none;
}

.sr-recorder-overlay span {
  font-size: 0.8rem;
  color: var(--muted);
}

.sr-recorder-controls {
  display: flex;
  gap: 10px;
}

.sr-recorder-note p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Results */

.sr-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.sr-results-subtitle {
  margin-top: 6px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.sr-results-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sr-result-item {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-md);
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 12px 12px 14px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 12px;
}

.sr-result-meta h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.sr-result-meta p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.sr-result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.sr-tag {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--muted);
}

.sr-tag-level {
  border-color: rgba(56, 189, 248, 0.6);
  color: var(--accent);
}

.sr-result-media video,
.sr-result-media audio {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(31, 41, 55, 0.9);
}

.sr-results-empty {
  text-align: center;
  margin-top: 24px;
  color: var(--muted);
}

/* Footer */

.sr-footer {
  padding: 12px 24px 18px;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid rgba(15, 23, 42, 0.9);
}

/* Responsive */

@media (max-width: 900px) {
  .sr-panel-hero,
  .sr-reading-layout,
  .sr-result-item,
  .sr-grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .sr-main {
    padding: 16px;
  }

  .sr-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}