/* 
 * Kultfilme Twitch Clone Style Sheet
 * 
 * - Harmonische Twitch-Farbpalette (Dark Mode)
 * - Reaktives Grid/Flexbox Layout für Navigation, Seitenleiste und Chat
 * - Vollständig barrierefrei (WCAG 2.1 AA) mit custom Focus-Visible Ringen
 * - Keine Inline-Styles verwendet
 */

:root {
  /* Twitch Farb-Tokens */
  --color-bg-base: #0e0e10;
  --color-bg-alt: #1f1f23;
  --color-bg-nav: #18181b;
  --color-bg-input: #18181b;
  --color-bg-input-focus: #000000;
  --color-border: #26262c;
  --color-border-hover: #3a3a44;

  --color-text-primary: #efeff1;
  --color-text-secondary: #adadb8;
  --color-text-link: #bf94ff;

  --color-purple: #9146ff;
  --color-purple-hover: #772ce8;
  --color-purple-active: #5c16c5;

  --color-red: #eb0400;
  --color-green: #00f593;

  /* Layout-Variablen */
  --header-height: 50px;
  --sidebar-width: 240px;
  --sidebar-collapsed-width: 50px;
  --chat-width: 340px;

  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Focus Indicator (WCAG 2.1 AA) */
  --focus-outline: 2px solid var(--color-purple);
  --focus-offset: 2px;
}

/* Reset & Basis-Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  overflow: hidden;
  height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Barrierefreier Focus-Ring */
*:focus-visible {
  outline: var(--focus-outline) !important;
  outline-offset: var(--focus-offset) !important;
}

/* Hilfsklassen */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hidden {
  display: none !important;
}

/* Skip-Link für Tastaturnavigation */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background-color: var(--color-purple);
  color: #ffffff;
  padding: 10px 18px;
  font-weight: 600;
  z-index: 999999;
  border-radius: 4px;
  text-decoration: none;
  transition: top 0.2s ease-out;
}

.skip-link:focus {
  top: 15px;
}

/* --- Header-Bereich --- */
.twitch-header {
  height: var(--header-height);
  background-color: var(--color-bg-nav);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-purple);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  transition: transform 0.2s ease;
}

.logo-link:hover {
  transform: scale(1.05);
}

.twitch-logo-svg {
  fill: var(--color-purple);
}

.logo-text {
  color: var(--color-text-primary);
  letter-spacing: -0.5px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.15rem;
  padding: 4px 8px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-link:hover {
  color: var(--color-purple);
}

.nav-link.active {
  color: var(--color-purple);
  border-color: var(--color-purple);
}

.nav-icon-btn,
.header-icon-btn {
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s;
}

.nav-icon-btn:hover,
.header-icon-btn:hover {
  background-color: var(--color-border);
}

/* Header-Mitte (Suche) */
.header-center {
  flex: 0 1 400px;
  margin: 0 20px;
}

.search-form {
  display: flex;
  width: 100%;
}

.search-input-wrapper {
  position: relative;
  flex-grow: 1;
}

.search-form input {
  width: 100%;
  padding: 8px 12px;
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: 6px 0 0 6px;
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.15s, background-color 0.15s;
}

.search-form input:focus {
  outline: none;
  border-color: var(--color-purple);
  background-color: var(--color-bg-input-focus);
}

.search-submit-btn {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-left: none;
  color: var(--color-text-primary);
  padding: 0 14px;
  border-radius: 0 6px 6px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s;
}

.search-submit-btn:hover {
  background-color: var(--color-border-hover);
}

/* Header-Rechts */
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.bits-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-border);
  border: none;
  color: var(--color-text-primary);
  padding: 6px 12px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background-color 0.15s;
}

.bits-btn:hover {
  background-color: var(--color-border-hover);
}

.btn-login {
  background-color: var(--color-border);
  border: none;
  color: var(--color-text-primary);
  padding: 6px 14px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background-color 0.15s;
}

.btn-login:hover {
  background-color: var(--color-border-hover);
}

.btn-signup {
  background-color: var(--color-purple);
  border: none;
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background-color 0.15s;
  text-decoration: none;
  display: none !important;
  /* TMP HIDDEN */
}

.btn-signup:hover {
  background-color: var(--color-purple-hover);
}

.user-profile-btn {
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  display: none !important;
  /* TMP HIDDEN */
}

.user-avatar-placeholder {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
}

/* --- Haupt-Layout-Container --- */
.twitch-layout-container {
  display: flex;
  height: calc(100vh - var(--header-height));
  width: 100vw;
  overflow: hidden;
}

/* --- Seitenleiste --- */
.twitch-sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-bg-alt);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-x: hidden;
}

/* Sidebar einklappen */
.twitch-sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.twitch-sidebar.collapsed .sidebar-title {
  display: none;
}

.twitch-sidebar.collapsed .sidebar-header {
  justify-content: center;
  padding: 12px 0;
}

.twitch-sidebar.collapsed .channel-link {
  justify-content: center;
  padding: 8px 0;
  gap: 0;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  flex-shrink: 0;
  min-width: 0;
}

.sidebar-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
  transition: opacity 0.15s;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.twitch-sidebar.collapsed .sidebar-title {
  display: none;
}

#sidebar-toggle {
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s;
}

#sidebar-toggle:hover {
  background-color: var(--color-border);
}

.toggle-arrow-svg {
  transition: transform 0.2s ease;
}

.twitch-sidebar.collapsed .toggle-arrow-svg {
  transform: rotate(180deg);
}

/* Kanalliste */
.channel-list {
  list-style: none;
  overflow-y: auto;
  overflow-x: hidden;
  flex-grow: 1;
}

.channel-item {
  margin-bottom: 2px;
}

.channel-link {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  text-decoration: none;
  color: var(--color-text-primary);
  gap: 12px;
  transition: background-color 0.15s;
  height: 44px;
}

.channel-link:hover {
  background-color: var(--color-border);
}

.channel-item.active .channel-link {
  background-color: var(--color-border-hover);
  border-left: 3px solid var(--color-purple);
  padding-left: 9px;
}

.avatar-wrapper {
  position: relative;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.sidebar-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.avatar-box {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-purple);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.avatar-box.c2 {
  background-color: #2e7d32;
}

.avatar-box.c3 {
  background-color: #1565c0;
}

.avatar-box.c4 {
  background-color: #d84315;
}

.avatar-box.c5 {
  background-color: #ad1457;
}

.avatar-ring {
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 2px solid var(--color-purple);
  border-radius: 50%;
  display: none;
}

.channel-item.live .avatar-ring {
  display: block;
}

.channel-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
  /* Verhindert das Brechen des Layouts */
  transition: opacity 0.15s;
}

.twitch-sidebar.collapsed .channel-info {
  display: none;
}

.channel-name {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.channel-category {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.channel-stats {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: opacity 0.15s;
}

.twitch-sidebar.collapsed .channel-stats {
  display: none;
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-red);
  border-radius: 50%;
  display: inline-block;
}

.viewer-count {
  color: var(--color-text-secondary);
}

.channel-item.live .viewer-count {
  color: var(--color-text-primary);
}

/* --- Hauptbereich (Main) --- */
.twitch-main {
  flex-grow: 1;
  background-color: var(--color-bg-base);
  overflow: hidden;
  position: relative;
  outline: none;
}

.main-split-container {
  display: flex;
  height: 100%;
  width: 100%;
}

.stream-container {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  /* Hide scrollbar for IE, Edge and Firefox */
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Hide scrollbar for Chrome, Safari and Opera */
.stream-container::-webkit-scrollbar {
  display: none;
}

/* --- Video-Player-Verhältnis 16:9 --- */
.video-section {
  width: 100%;
}

.player-aspect-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  /* 16:9 Aspect Ratio */
  background-color: #000000;
  overflow: hidden;
}

/* Twitch Stream - Umschaltbar zwischen Vollbild und Mini-Modus */
.twitch-player-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  /* Unter dem Custom Player im Normalfall */
  opacity: 1;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto;
}

/* Twitch Stream im Mini-Modus (Picture-in-Picture in der Ecke oben rechts) */
.twitch-player-container.mini-mode {
  top: 20px;
  left: calc(100% - 340px);
  width: 320px;
  height: 180px;
  transform: none;
  z-index: 100;
  /* Über dem Custom Player, damit er unbedeckt bleibt */
  border-radius: 8px;
  border: 2px solid var(--color-purple);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

/* Click-Catcher-Modus: Versteckt, zentriert in der Mitte des Players */
.twitch-player-container.click-catcher-mode {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  height: 180px;
  z-index: 1000;
  opacity: 0.01;
  pointer-events: auto;
}


/* Kultfilme Iframe */
.kultfilme-player-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 20;
  /* Liegt unter dem Mini-Twitch-Player aber über dem Vollbild-Twitch-Player */
  pointer-events: auto;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  background-color: #000000;
  opacity: 1;
}

.kultfilme-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* --- Stream-Metadaten --- */
.stream-metadata {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px 16px;
  width: 100%;
  gap: 20px;
}

.metadata-left {
  display: flex;
  gap: 16px;
  min-width: 0;
}

.avatar-container-large {
  position: relative;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}

.channel-avatar-large {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--color-purple);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  border: 2px solid var(--color-purple);
  box-shadow: 0 0 10px rgba(145, 70, 255, 0.3);
  object-fit: cover;
}

.live-pill-avatar {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-red);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  border: 2px solid var(--color-bg-base);
  z-index: 2;
}

.metadata-text {
  min-width: 0;
}

.channel-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.channel-name-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.verified-badge-wrapper {
  color: var(--color-purple);
  display: flex;
  align-items: center;
}

.verified-svg {
  fill: var(--color-purple);
}

.live-pill {
  background-color: var(--color-red);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.stream-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.stream-category-row {
  margin-bottom: 12px;
}

.stream-category-link {
  color: var(--color-text-link);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.stream-category-link:hover {
  text-decoration: underline;
}

.stream-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-pill {
  background-color: var(--color-border);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 12px;
  transition: background-color 0.15s, color 0.15s;
  cursor: pointer;
}

.tag-pill:hover {
  background-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

/* Interaktions-Buttons */
.metadata-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  flex-shrink: 0;
}

.metadata-actions-top {
  display: flex;
  gap: 8px;
}

.metadata-stats-bottom {
  display: flex;
  align-items: center;
  gap: 12px;
}

.viewer-stat {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #ff8280;
  font-weight: 700;
  font-size: 0.95rem;
}

.viewer-icon {
  color: #ff8280;
}

.uptime-stat {
  font-weight: 700;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-text-primary);
}

.icon-btn-small {
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s;
}

.icon-btn-small:hover {
  background-color: var(--color-border);
}

.btn-subscribe {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-purple);
  color: #ffffff;
  border: none;
  padding: 8px 16px;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s;
}

.btn-subscribe:hover {
  background-color: var(--color-purple-hover);
}

.heart-svg,
.star-svg {
  flex-shrink: 0;
}

/* --- Chat-Bereich --- */
.chat-column {
  width: var(--chat-width);
  background-color: var(--color-bg-nav);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.chat-column.collapsed {
  width: 0;
  border-left: none;
  transform: translateX(100%);
}

.chat-header {
  display: flex;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.chat-collapse-btn {
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s;
}

.chat-collapse-btn:hover {
  background-color: var(--color-border);
}

.toggle-chat-arrow-svg {
  transition: transform 0.2s ease;
}

.chat-header-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-primary);
  letter-spacing: 0.5px;
  flex-grow: 1;
  text-align: center;
}

.chat-header-spacer {
  width: 28px;
  /* Entspricht Breite von Button */
}

.chat-iframe-wrapper {
  flex-grow: 1;
  background-color: var(--color-bg-base);
  position: relative;
}

.twitch-chat-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Expand Chat Button */
.chat-expand-btn {
  position: fixed;
  right: 12px;
  bottom: 20px;
  z-index: 100;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: background-color 0.15s, transform 0.2s;
}

.chat-expand-btn:hover {
  background-color: var(--color-purple);
  transform: scale(1.05);
}

.chat-expand-btn:active {
  transform: scale(0.95);
}

/* --- Responsive Anpassungen --- */
@media (max-width: 900px) {
  .chat-column {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    z-index: 500;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
  }
}

@media (max-width: 768px) {
  .twitch-sidebar {
    width: var(--sidebar-collapsed-width);
  }

  .twitch-sidebar .sidebar-title,
  .twitch-sidebar .channel-info,
  .twitch-sidebar .channel-stats {
    display: none;
  }

  #sidebar-toggle {
    display: none;
  }

  .header-center {
    display: none;
  }

  .stream-metadata {
    flex-direction: column;
    align-items: stretch;
  }

  .metadata-right {
    margin-left: 80px;
  }
}