/* Reset & CSS Custom Properties */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-base: #0f1115;
  --bg-surface: #14171d;
  --bg-element: #1c2029;
  --accent-red: #e63946;
  --accent-text: #ffffff;
  --accent-dim: #8a8f99;
  --border-color: rgba(255, 255, 255, 0.08);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --blob-1: #e63946;
  --blob-2: #3a86ff;
  --blob-3: #9d4edd;
}

body, html {
  width: 100%;
  height: 100%;
  font-family: var(--font-stack);
  background-color: var(--bg-base);
  color: var(--accent-text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ================= DESKTOP GRID LAYOUT ================= */
.app-container {
  display: grid;
  grid-template-columns: 50% 50%;
  grid-template-rows: 1fr 240px; 
  width: 100vw;
  height: 100dvh; 
  position: relative;
}

.sidebar {
  grid-column: 1;
  grid-row: 1;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  padding: 30px 40px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
  z-index: 10;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background-color: rgba(255, 255, 255, 0.2); border-radius: 3px; }

/* NEW DESKTOP TOP NAV HEADER */
.brand-header {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--accent-red);
  margin-bottom: 24px;
  text-transform: uppercase;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.brand-title-area {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.desktop-quick-nav {
  display: flex;
  gap: 8px;
}

.desktop-quick-nav button {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--accent-text);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  letter-spacing: 0.5px;
}

.desktop-quick-nav button:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
}

.close-drawer-btn {
  display: none;
  background: none;
  border: none;
  color: var(--accent-dim);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
}

.section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-dim);
  margin-bottom: 16px;
  font-weight: 600;
}

.playlist-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.matrix-btn {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  cursor: pointer;
  color: var(--accent-text);
  text-align: left;
  width: 100%;
  transition: all 0.2s ease;
}

.matrix-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(4px);
}

.matrix-btn.active {
  background: rgba(230, 57, 70, 0.15);
  border-color: var(--accent-red);
}

.surprise-btn {
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.25), rgba(212, 163, 89, 0.25));
  border-color: var(--accent-red);
  font-weight: 600;
}

.surprise-btn:hover {
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.4), rgba(212, 163, 89, 0.4));
}

.text-center-btn {
  justify-content: center;
  text-align: center;
  font-weight: 600;
}

.item-thumb {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.item-info { overflow: hidden; }

.item-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.item-info p {
  font-size: 0.78rem;
  color: var(--accent-dim);
}

/* Audio Player Deck */
.player-deck {
  grid-column: 1;
  grid-row: 2;
  background: #0c0d10;
  border-right: 1px solid var(--border-color);
  border-top: 1px solid var(--border-color);
  padding: 24px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: 10;
}

.track-details { margin-bottom: 14px; }

.track-title-wrapper {
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  -webkit-mask-image: linear-gradient(to right, black 90%, transparent 100%);
  mask-image: linear-gradient(to right, black 90%, transparent 100%);
}

.track-details h2 {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  will-change: transform;
}

.scrolling-ribbon {
  animation: ribbonScroll 7s linear infinite alternate;
}

@keyframes ribbonScroll {
  0%, 15% { transform: translateX(0); }
  85%, 100% { transform: translateX(var(--scroll-amount)); }
}

.track-details p {
  font-size: 0.85rem;
  color: var(--accent-red);
  font-weight: 500;
  margin-top: 2px;
}

.progress-container {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.time-stamp {
  font-size: 0.75rem;
  color: var(--accent-dim);
  min-width: 35px;
  font-variant-numeric: tabular-nums;
}

.progress-bar {
  flex: 1;
  height: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  appearance: none;
  outline: none;
  cursor: pointer;
  accent-color: var(--accent-red);
}

.controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.main-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-control {
  background: none;
  border: none;
  color: var(--accent-dim);
  cursor: pointer;
  transition: color 0.2s, transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-control:hover {
  color: var(--accent-text);
  transform: scale(1.1);
}

.btn-play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-text);
  color: #0d0f12;
}

.btn-play:hover {
  background: #e2e2e2;
  color: #0d0f12;
}

.volume-container {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 120px;
}

.volume-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  appearance: none;
  outline: none;
  cursor: pointer;
  accent-color: var(--accent-text);
}

/* Visual Stage & Ambient Background */
.visual-stage {
  grid-column: 2;
  grid-row: 1 / span 2;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #080a0f;
}

.ambient-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px); 
  opacity: 0.85; 
  transform: translate3d(0,0,0);
  will-change: transform, background;
  animation: floatAmbient 14s infinite alternate ease-in-out; 
  transition: background 2s ease-in-out;
}

.blob-1 { width: 70%; height: 70%; background: var(--blob-1); top: -15%; left: -15%; animation-delay: 0s; }
.blob-2 { width: 65%; height: 65%; background: var(--blob-2); bottom: -15%; right: -15%; animation-delay: -5s; } 
.blob-3 { width: 60%; height: 60%; background: var(--blob-3); top: 20%; left: 20%; animation-delay: -9s; }

@keyframes floatAmbient {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(15%, 25%, 0) scale(1.2); }
  100% { transform: translate3d(-15%, 20%, 0) scale(0.85); }
}

.cover-display {
  position: relative;
  z-index: 2;
}

.cover-art-large {
  width: 380px;
  height: 380px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.cover-art-large:hover {
  transform: scale(1.02);
}

#hidden-sandbox {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  top: -9999px;
  left: -9999px;
}

/* ================= MODAL POP-UPS ================= */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100dvh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 90%;
  max-width: 480px;
  padding: 30px;
  position: relative;
  box-shadow: 0 20px 40px rgba(0,0,0,0.8);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

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

.close-modal-btn {
  position: absolute;
  top: 20px; right: 20px;
  background: none; border: none;
  color: var(--accent-dim);
  font-size: 1.8rem; cursor: pointer;
  line-height: 1;
}
.close-modal-btn:hover { color: var(--accent-text); }

.modal-content h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--accent-text);
}

.modal-content p {
  font-size: 0.92rem;
  color: var(--accent-dim);
  line-height: 1.5;
  margin-bottom: 20px;
}

.modal-footer-info {
  font-size: 0.78rem;
  color: var(--accent-dim);
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.form-group label {
  font-size: 0.8rem;
  color: var(--accent-dim);
  font-weight: 600;
  text-transform: uppercase;
}

.form-group input, .form-group textarea {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--accent-text);
  font-family: var(--font-stack);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent-red);
}

.mobile-top-bar {
  display: none;
}

/* ================= DEDICATED MOBILE OVERRIDES ================= */
@media (max-width: 900px) {
  .app-container { display: block; }
  
  .visual-stage {
    width: 100%;
    height: 100dvh;
    padding-bottom: 220px;
  }
  .cover-art-large { width: 250px; height: 250px; }

  .blob {
    filter: blur(45px); 
    opacity: 0.95; 
  }
  .blob-1 { width: 90vw; height: 90vw; top: -10%; left: -10%; }
  .blob-2 { width: 85vw; height: 85vw; bottom: 0%; right: -10%; } 
  .blob-3 { width: 80vw; height: 80vw; top: 30%; left: 10%; }

  .sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: calc(100dvh - 220px); 
    z-index: 100;
    transform: translateY(-100%);
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.95);
    padding: 20px 20px 80px 20px;
  }
  .sidebar.open { transform: translateY(0); }
  .close-drawer-btn { display: block; }
  .desktop-quick-nav { display: none; } 

  .player-deck {
    position: fixed;
    bottom: 0; left: 0;
    width: 100%;
    height: 220px;
    z-index: 120;
    border-right: none;
    padding: 18px 20px;
  }

  .mobile-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 16px;
    left: 16px;
    right: 16px;
    z-index: 80;
    pointer-events: none;
  }

  .mobile-top-bar > * {
    pointer-events: auto;
  }

  .mobile-toggle-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(20, 23, 29, 0.85);
    border: 1px solid var(--border-color);
    color: var(--accent-text);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    cursor: pointer;
  }

  .mobile-nav-pills {
    display: flex;
    gap: 6px;
  }

  .nav-pill-btn {
    background: rgba(20, 23, 29, 0.85);
    border: 1px solid var(--border-color);
    color: var(--accent-text);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    cursor: pointer;
  }
}