/* Reset and base styling */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Light Theme Colors */
  --bg-color: #f9fafb;
  --text-color: #1f2937;
  --text-muted: #4b5563;
  --input-bg: #ffffff;
  --input-border: rgba(0, 0, 0, 0.08);
  --input-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
  --input-focus-border: rgba(0, 0, 0, 0.15);
  --capsule-bg: #ffffff;
  --capsule-border: #e5e7eb;
  --capsule-text: #374151;
  --capsule-hover-bg: #f3f4f6;
  --send-btn-bg: #000000;
  --send-btn-color: #ffffff;
  --send-btn-disabled-bg: #f3f4f6;
  --send-btn-disabled-color: #9ca3af;
  --action-btn-hover: #f3f4f6;

  --bubble-user-bg: #f3f4f6;
  --bubble-user-text: #1f2937;
  --bubble-ai-bg: transparent;
  --bubble-ai-text: #1f2937;

  --overlay-bg: rgba(255, 255, 255, 0.8);
  --card-bg: #ffffff;
  --accent-blue: #0a3a77;
  /*#0b57d0;*/
  --scrollbar-thumb: #d1d5db;
}

[data-theme="dark"] {
  /* Dark Theme Colors */
  --bg-color: #131314;
  --text-color: #e3e3e3;
  --text-muted: #9e9e9e;
  --input-bg: #1e1e20;
  --input-border: rgba(255, 255, 255, 0.08);
  --input-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.3);
  --input-focus-border: rgba(255, 255, 255, 0.15);
  --capsule-bg: #1e1e20;
  --capsule-border: #2b2c2e;
  --capsule-text: #c4c7c5;
  --capsule-hover-bg: #2b2c2e;
  --send-btn-bg: #ffffff;
  --send-btn-color: #131314;
  --send-btn-disabled-bg: #1e1e20;
  --send-btn-disabled-color: #444746;
  --action-btn-hover: #2b2c2e;

  --bubble-user-bg: #2b2c2e;
  --bubble-user-text: #e3e3e3;
  --bubble-ai-bg: transparent;
  --bubble-ai-text: #e3e3e3;

  --overlay-bg: rgba(19, 19, 20, 0.8);
  --card-bg: #1e1e20;
  --accent-blue: #a8c7fa;
  --scrollbar-thumb: #444746;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Top-left Logo (Just the name) */
.logo-container {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 10;
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-color);
  letter-spacing: -0.02em;
  user-select: none;
  font-family: inherit;
}

/* Theme Toggle Button */
.theme-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: transparent;
  border: 1px solid var(--capsule-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-color);
  transition: all 0.2s ease;
  z-index: 10;
}

.theme-btn:hover {
  background-color: var(--action-btn-hover);
  transform: scale(1.05);
}

.theme-btn svg {
  width: 20px;
  height: 20px;
}

/* Toggle Sun/Moon display depending on theme */
.theme-btn .sun-icon {
  display: none;
}

.theme-btn .moon-icon {
  display: block;
}

[data-theme="dark"] .theme-btn .sun-icon {
  display: block;
}

[data-theme="dark"] .theme-btn .moon-icon {
  display: none;
}

/* Main Container */
.main-container {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* Centering welcome by default */
  padding: 2rem 1.5rem;
  transition: justify-content 0.3s ease;
}

/* Shift main layout when chat is active */
.main-container.chat-active {
  justify-content: flex-end;
  padding-bottom: 0.5rem;
}

/* Welcome Section */
.welcome-section {
  text-align: center;
  margin-bottom: 2.5rem;
  animation: fadeIn 0.8s ease-out;
  transition: all 0.5s ease;
}

.welcome-section.hidden {
  opacity: 0;
  transform: translateY(-20px);
  margin-bottom: 0;
  height: 0;
  overflow: hidden;
  padding: 0;
}

.welcome-title {
  font-size: 2.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-color);
}

/* Control Center - input area + capsules */
.control-center {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1rem;
}

/* Form structure */
.input-wrapper-outer {
  width: 100%;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 32px;
  box-shadow: var(--input-shadow);
  transition: all 0.3s ease;
}

.input-wrapper-outer:focus-within {
  border-color: var(--input-focus-border);
  box-shadow: 0 4px 24px -2px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .input-wrapper-outer:focus-within {
  box-shadow: 0 4px 24px -2px rgba(0, 0, 0, 0.4);
}

.input-form {
  display: flex;
  align-items: flex-end;
  padding: 0.5rem 0.75rem 0.5rem 1rem;
  min-height: 56px;
}

/* Search Icon Styles (Non-clickable) */
.search-icon-container {
  margin-bottom: 3px;
  /* Align slightly off-bottom */
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--text-muted);
}

.search-icon-container svg {
  width: 22px;
  height: 22px;
}

/* Textarea input wrapper */
.textarea-container {
  flex: 1;
  margin: 0 0.5rem;
  display: flex;
  align-items: center;
}

#chat-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 1.05rem;
  color: var(--text-color);
  resize: none;
  max-height: 200px;
  padding: 0.5rem 0;
  line-height: 1.5;
  box-sizing: border-box;
}

#chat-input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

/* Actions right container */
.actions-right {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-bottom: 3px;
}

/* Submit Send Button styling */
.send-btn {
  background-color: var(--send-btn-disabled-bg);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
  color: var(--send-btn-disabled-color);
  transition: all 0.25s ease;
}

.send-btn.active {
  background-color: var(--send-btn-bg);
  color: var(--send-btn-color);
  cursor: pointer;
}

.send-btn.active:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.send-btn svg {
  width: 18px;
  height: 18px;
}

/* Capsules Styling (Action Pills) */
.action-capsules {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  transition: all 0.3s ease;
  text-align: center;
}

.action-capsules.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  height: 0;
  margin: 0;
  overflow: hidden;
}

.capsule-btn {
  background-color: var(--capsule-bg);
  border: 1px solid var(--capsule-border);
  border-radius: 20px;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--capsule-text);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.capsule-btn:hover {
  background-color: var(--capsule-hover-bg);
  border-color: var(--capsule-hover-bg);
  transform: translateY(-1px);
}

.capsule-btn:active {
  transform: translateY(0);
}

.capsule-icon {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
}

/* File Preview Grid */
.file-previews {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.file-chip {
  background-color: var(--capsule-bg);
  border: 1px solid var(--capsule-border);
  border-radius: 12px;
  padding: 0.35rem 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  animation: scaleIn 0.2s ease-out;
}

.file-chip-name {
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-chip-remove {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  width: 16px;
  height: 16px;
}

.file-chip-remove:hover {
  background-color: var(--action-btn-hover);
  color: var(--text-color);
}

.file-chip-remove svg {
  width: 12px;
  height: 12px;
}

/* Chat container list */
.chat-container {
  width: 100%;
  flex: 1;
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
  padding: 1rem 0;
  max-height: calc(100vh - 250px);
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

.chat-container.visible {
  display: flex;
}

.chat-container::-webkit-scrollbar {
  width: 6px;
}

.chat-container::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb);
  border-radius: 10px;
}

/* Chat messages & layout */
.chat-message {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: messageSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-message.user {
  align-self: flex-end;
  align-items: flex-end;
}

.chat-message.ai {
  align-self: flex-start;
  align-items: flex-start;
  max-width: 90%;
}

.message-bubble {
  padding: 0.75rem 1.25rem;
  border-radius: 18px;
  font-size: 1.025rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.chat-message.user .message-bubble {
  background-color: var(--bubble-user-bg);
  color: var(--bubble-user-text);
  border-bottom-right-radius: 4px;
}

.chat-message.ai .message-bubble {
  background-color: var(--bubble-ai-bg);
  color: var(--bubble-ai-text);
  padding-left: 0;
}

.message-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* Typing Indicator Animation */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background-color: var(--text-muted);
  border-radius: 50%;
  display: inline-block;
  animation: typingBounce 1.4s infinite ease-in-out both;
  opacity: 0.6;
}

.typing-indicator span:nth-child(1) {
  animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
  animation-delay: -0.16s;
}

/* Audio Voice Recording Overlay */
.voice-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--overlay-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1000;
}

.voice-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.voice-modal-content {
  background-color: var(--card-bg);
  border: 1px solid var(--capsule-border);
  border-radius: 28px;
  padding: 3rem 2.5rem;
  width: 90%;
  max-width: 450px;
  text-align: center;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.15);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] .voice-modal-content {
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
}

.voice-modal-overlay.open .voice-modal-content {
  transform: translateY(0);
}

.voice-modal-content h2 {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.voice-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

/* Sound Wave Animation */
.audio-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 60px;
  margin-bottom: 2.5rem;
}

.audio-wave .bar {
  width: 4px;
  height: 15px;
  background-color: var(--accent-blue);
  border-radius: 2px;
  animation: wave 1.2s infinite ease-in-out;
  transition: background-color 0.3s ease;
}

.audio-wave .bar:nth-child(1) {
  animation-delay: 0.1s;
}

.audio-wave .bar:nth-child(2) {
  animation-delay: 0.3s;
}

.audio-wave .bar:nth-child(3) {
  animation-delay: 0.6s;
}

.audio-wave .bar:nth-child(4) {
  animation-delay: 0.9s;
}

.audio-wave .bar:nth-child(5) {
  animation-delay: 0.6s;
}

.audio-wave .bar:nth-child(6) {
  animation-delay: 0.3s;
}

.audio-wave .bar:nth-child(7) {
  animation-delay: 0.1s;
}

.voice-close-btn {
  background-color: var(--capsule-bg);
  border: 1px solid var(--capsule-border);
  color: var(--text-color);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.6rem 1.75rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.voice-close-btn:hover {
  background-color: var(--capsule-hover-bg);
}

/* Footer Section */
.footer-info {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  width: 100%;
}

/* Keyframe Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes typingBounce {

  0%,
  80%,
  100% {
    transform: scale(0);
  }

  40% {
    transform: scale(1);
  }
}

@keyframes wave {

  0%,
  100% {
    height: 15px;
  }

  50% {
    height: 50px;
  }
}

/* Responsive adjustments */
@media (max-width: 640px) {
  body {
    padding-top: 4.5rem;
    /* Space for absolute theme toggle */
  }

  .theme-btn {
    top: 1rem;
    right: 1rem;
  }

  .welcome-title {
    font-size: 2rem;
  }

  .action-capsules {
    justify-content: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0.5rem 0.25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* Hide standard scrollbar */
  }

  .action-capsules::-webkit-scrollbar {
    display: none;
    /* Hide Chrome/Safari scrollbar */
  }

  .capsule-btn {
    flex-shrink: 0;
  }

  .main-container {
    padding: 1rem;
  }

  .player-header {
    gap: 0.75rem;
  }

  .player-title {
    font-size: 1.3rem;
    margin-right: 0;
  }

  .controls-row {
    gap: 0.75rem;
  }

  .progress-container {
    gap: 0.5rem;
  }

  .voice-modal-content {
    padding: 2.5rem 1.5rem;
  }
}

/* Visually Hidden accessibility class */
.visually-hidden {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  overflow: hidden;
  height: 1px;
  width: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

/* --- Search Results Dropdown/Suggestions --- */
.search-results {
  background-color: var(--capsule-bg);
  border: 1px solid var(--capsule-border);
  border-radius: 20px;
  box-shadow: var(--input-shadow);
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 0.5rem;
  gap: 0.25rem;
  animation: fadeIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: all 0.3s ease;
}

[data-theme="dark"] .search-results {
  background-color: rgba(30, 30, 32, 0.85);
  border-color: rgba(255, 255, 255, 0.08);
}

.search-results.hidden {
  display: none !important;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  color: var(--text-color);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.search-result-item:hover {
  background-color: var(--capsule-hover-bg);
}

.search-result-item svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
}

/* --- Audiobook Player Container --- */
.player-container {
  width: 100%;
  flex: 2;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem 0 0.5rem 0;
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.player-container.hidden {
  display: none !important;
}

.control-center.hidden {
  display: none !important;
}

.player-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--capsule-border);
  padding-bottom: 1rem;
}

.player-back-btn {
  background: transparent;
  border: 1px solid var(--capsule-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-color);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.player-back-btn:hover {
  background-color: var(--action-btn-hover);
  transform: scale(1.05);
}

.player-back-btn svg {
  width: 20px;
  height: 20px;
}

.player-title {
  flex: 1;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  background: var(--text-color);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
  margin-right: 0;
}

.player-share-btn {
  background: transparent;
  border: 1px solid var(--capsule-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.2s ease;
}

.player-share-btn:hover {
  background: var(--capsule-bg);
  border-color: var(--text-color);
}

.player-share-btn svg {
  width: 20px;
  height: 20px;
}

/* Subtitle Viewport: Holds whole transcript, current read line highlighted */
.subtitles-viewport {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
  scroll-behavior: smooth;
  border-radius: 16px;
  background-color: rgba(0, 0, 0, 0.02);
  border: 1px dashed rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .subtitles-viewport {
  background-color: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.05);
}

.subtitles-viewport::-webkit-scrollbar {
  width: 6px;
}

.subtitles-viewport::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb);
  border-radius: 10px;
}

.subtitle-line {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-muted);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

.subtitle-line:hover {
  color: var(--text-color);
  background-color: var(--capsule-hover-bg);
}

.subtitle-line.active {
  font-weight: 600;
  color: var(--accent-blue);
  transform: scale(1.05);
  text-shadow: 0 0 10px rgba(11, 87, 208, 0.15);
  background-color: rgba(11, 87, 208, 0.05);
}

[data-theme="dark"] .subtitle-line.active {
  text-shadow: 0 0 15px rgba(168, 199, 250, 0.25);
  background-color: rgba(168, 199, 250, 0.08);
}

/* Premium Player Controls Row */
.audio-controls-panel {
  background-color: var(--input-bg);
  border: 1px solid var(--capsule-border);
  border-radius: 24px;
  padding: 1rem 1.5rem;
  box-shadow: var(--input-shadow);
  display: flex;
  flex-direction: column;
}

.controls-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
}

.player-control-btn {
  background-color: var(--send-btn-bg);
  color: var(--send-btn-color);
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

.player-control-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15);
}

.player-control-btn svg {
  width: 20px;
  height: 20px;
}

.player-control-btn .hidden {
  display: none !important;
}

.progress-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.time-display {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  min-width: 42px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.progress-bar {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background-color: var(--capsule-border);
  outline: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.progress-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.1s ease;
}

.progress-bar::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.progress-bar::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.1s ease;
}

.progress-bar::-moz-range-thumb:hover {
  transform: scale(1.2);
}

/* --- Player Active Layout Tweaks --- */
body.player-active {
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  overflow: hidden;
}

body.player-active .main-container {
  flex: 1;
  height: 100%;
  min-height: 0;
  max-height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 1.5rem 0.5rem 1.5rem;
}

body.player-active .player-container {
  flex: 1;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  padding: 0;
}

body.player-active .player-header {
  flex-shrink: 0;
  padding-bottom: 0.75rem;
}

body.player-active .subtitles-viewport {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

body.player-active .audio-controls-panel {
  flex-shrink: 0;
}

body.player-active .footer-info {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
}

@media (max-width: 640px) {
  body.player-active {
    padding-top: 3.5rem;
  }

  body.player-active .main-container {
    padding: 0.75rem 1rem 0.5rem 1rem;
  }
}