/* =============================================
   Indie Sync Blueprint — Styles
   ============================================= */

/* ----- CSS Variables (Theme Tokens) ----- */
:root {
  --bg-color: #102136;
  --bg-card: #1a2c42;
  --bg-footer: #0b1624;
  --primary-text: #ffffff;
  --secondary-text: #9ca3af;
  --muted-text: #6b7280;
  --accent-color: #7456f1;
  --accent-hover: #5e45c4;
  --border-color: #2d3b4e;
  --highlight-bg: #1a2c42;
  --glass-bg: rgba(16, 33, 54, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.light-mode {
  --bg-color: #f9fafb;
  --bg-card: #ffffff;
  --bg-footer: #f3f4f6;
  --primary-text: #111827;
  --secondary-text: #4b5563;
  --muted-text: #9ca3af;
  --border-color: #e5e7eb;
  --highlight-bg: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

/* ----- Base ----- */
body {
  background-color: var(--bg-color);
  color: var(--primary-text);
  font-family: "Figtree", sans-serif;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

/* ----- Chart Containers ----- */
.chart-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  height: 300px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .chart-container {
    height: 350px;
  }
}

/* ----- Custom Scrollbar ----- */
.custom-scroll::-webkit-scrollbar {
  width: 6px;
}
.custom-scroll::-webkit-scrollbar-track {
  background: var(--highlight-bg);
}
.custom-scroll::-webkit-scrollbar-thumb {
  background: #4b5563;
  border-radius: 3px;
}
.custom-scroll::-webkit-scrollbar-thumb:hover {
  background: #6b7280;
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ----- Tabs ----- */
.tab-active {
  border-bottom: 2px solid var(--accent-color);
  color: var(--primary-text);
  font-weight: 600;
}

.tab-inactive {
  color: var(--secondary-text);
  border-bottom: 2px solid transparent;
}
.tab-inactive:hover {
  color: var(--accent-color);
}

/* ----- Song Items ----- */
.song-item {
  transition: background-color 0.2s ease;
}
.song-item:hover {
  background-color: var(--highlight-bg);
}

/* ----- Platform Buttons ----- */
.btn-platform {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  background-color: white;
  border: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}
.btn-platform:hover {
  border-color: #d1d5db;
  background-color: #f9fafb;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
.btn-platform svg {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

/* ----- No Tap Highlight ----- */
.no-tap-highlight {
  -webkit-tap-highlight-color: transparent;
  outline: none !important;
  box-shadow: none !important;
}
.no-tap-highlight:focus,
.no-tap-highlight:focus-visible,
.no-tap-highlight:active {
  outline: none !important;
  box-shadow: none !important;
}

/* ----- Toggle Switch ----- */
.toggle-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-label {
  width: 44px;
  height: 24px;
  position: relative;
  display: block;
  background: var(--bg-card);
  border-radius: 9999px;
  cursor: pointer;
  transition: background-color 0.2s ease-in;
  border: 1px solid var(--border-color);
}

.toggle-label:before {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s ease-in;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.toggle-checkbox:checked + .toggle-label {
  background-color: #7456f1;
  border-color: #7456f1;
}

.toggle-checkbox:checked + .toggle-label:before {
  transform: translateX(20px);
}

/* ----- Logo Theme Visibility ----- */
.logo-light {
  display: block;
}
.logo-dark {
  display: none;
}
.light-mode .logo-light {
  display: none;
}
.light-mode .logo-dark {
  display: block;
}

/* ----- Liquid Glass Navbar ----- */
.nav-pill {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  width: 90%;
  max-width: 1000px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 9999px;
  box-shadow: var(--glass-shadow);
  transition:
    background 0.3s ease,
    border 0.3s ease,
    box-shadow 0.3s ease;
  overflow: hidden;
}

/* ----- Mobile Bottom Nav ----- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(16, 33, 54, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  z-index: 100;
}

.light-mode .bottom-nav {
  background: rgba(255, 255, 255, 0.85);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--secondary-text);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  min-width: 64px;
  padding: 4px 12px;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.nav-item.active {
  color: var(--accent-color);
}
.nav-item svg {
  width: 24px;
  height: 24px;
}

/* ----- Bottom Sheet ----- */
.bottom-sheet-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.bottom-sheet-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--bg-card);
  border-radius: 24px 24px 0 0;
  padding: 24px;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 201;
  max-height: 80vh;
  overflow-y: auto;
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
}
.bottom-sheet.open {
  transform: translateY(0);
}

/* ----- Snap Scroll Carousel ----- */
.snap-scroll-x {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 16px;
  padding-bottom: 16px;
  width: 100%;
}

.snap-card {
  flex: 0 0 85%;
  scroll-snap-align: center;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

/* ----- Collapsible Text ----- */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.expanded {
  -webkit-line-clamp: unset;
}

/* ----- Liquid Background ----- */
.liquid-bg {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at center,
    rgba(116, 86, 241, 0.15),
    transparent 60%
  );
  opacity: 0.6;
  z-index: -1;
  filter: url(#liquid-flow);
  animation: liquidMove 20s infinite linear;
  pointer-events: none;
}

@keyframes liquidMove {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ----- Layout ----- */

/* ----- Responsive ----- */
@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
  .chart-container-mobile {
    height: 250px;
  }
}

@media (min-width: 769px) {
  .mobile-only {
    display: none !important;
  }
}