@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0a0d16;
  --bg-secondary: #111625;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 35, 56, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(139, 92, 246, 0.4);
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --accent: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --accent-glow: 0 8px 32px rgba(139, 92, 246, 0.3);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(217, 70, 239, 0.1) 0%, transparent 45%);
  background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #2a344d;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: rgba(14, 18, 30, 0.85);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
  transition: var(--transition);
}

.brand-section {
  padding: 24px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--glass-border);
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--accent-glow);
  color: #fff;
  font-size: 22px;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  display: inline-block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 2px 7px;
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  border-radius: var(--radius-full);
  margin-top: 3px;
  font-weight: 700;
}

.sidebar-nav {
  padding: 18px 14px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-section-label {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 1px;
  padding: 12px 14px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.nav-item:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.nav-item.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-color: rgba(99, 102, 241, 0.3);
  font-weight: 600;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  transition: var(--transition);
}

.nav-item.active svg {
  color: #818cf8;
}

.nav-badge {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.sidebar-footer {
  padding: 18px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.storage-widget {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px;
}

.storage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.storage-bar-bg {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.storage-bar-fill {
  height: 100%;
  width: 15%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

.storage-detail {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
}

.user-profile-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 4px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-icon:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  margin-left: 280px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Topbar */
.topbar {
  height: 76px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(10, 13, 22, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 30;
  gap: 20px;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 440px;
}

.search-box input {
  width: 100%;
  padding: 12px 18px 12px 44px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.search-box svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-dim);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.45);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--glass-border);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

/* Page Content */
.content-area {
  padding: 32px;
  flex: 1;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title-box h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.page-title-box p {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 4px;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 14px;
}

.filter-pills {
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
}

.pill-btn {
  padding: 7px 18px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.pill-btn:hover {
  color: #fff;
}

.pill-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.sort-select {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

.sort-select option {
  background: #111625;
  color: #fff;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}

/* Media Card */
.media-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
}

.media-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(139, 92, 246, 0.2);
}

.media-thumb-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background: #000;
}

.media-thumb-wrapper img,
.media-thumb-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.media-card:hover .media-thumb-wrapper img {
  transform: scale(1.05);
}

/* Overlay & Badges */
.media-badge-top {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  z-index: 5;
}

.media-badge-top.video {
  background: rgba(236, 72, 153, 0.8);
}

.media-fav-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 5;
}

.media-fav-btn:hover {
  background: rgba(239, 68, 68, 0.8);
  transform: scale(1.15);
}

.media-fav-btn.active {
  color: #ef4444;
  background: rgba(255, 255, 255, 0.9);
}

.media-fav-btn.active svg {
  fill: #ef4444;
}

.media-info-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px 14px 12px;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.85) 100%);
  display: flex;
  flex-direction: column;
  z-index: 4;
  pointer-events: none;
}

.media-title {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.media-meta {
  font-size: 11px;
  color: #cbd5e1;
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
}

/* Play Icon for Video Card */
.play-badge-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: var(--transition);
}

.media-card:hover .play-badge-center {
  transform: translate(-50%, -50%) scale(1.15);
  background: var(--accent-gradient);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius-lg);
}

.empty-icon {
  font-size: 54px;
  margin-bottom: 16px;
  opacity: 0.8;
}

.empty-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.empty-desc {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 440px;
  margin: 0 auto 24px;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(16px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-box {
  background: #111625;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--glass-border);
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: #fff;
}

.modal-body {
  padding: 24px;
}

/* Dropzone */
.dropzone {
  border: 2px dashed rgba(139, 92, 246, 0.4);
  background: rgba(139, 92, 246, 0.04);
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.12);
  transform: scale(1.01);
}

.dropzone-icon {
  font-size: 44px;
  color: var(--accent);
  margin-bottom: 12px;
}

.dropzone-text {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.dropzone-hint {
  font-size: 12px;
  color: var(--text-dim);
}

/* Upload Queue */
.upload-queue {
  margin-top: 20px;
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.upload-queue-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
}

.upload-queue-name {
  flex: 1;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-queue-status {
  font-size: 12px;
  font-weight: 600;
}

/* Lightbox Fullscreen Viewer */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(24px);
  z-index: 200;
  display: none;
  flex-direction: column;
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-topbar {
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.lightbox-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

.lightbox-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lightbox-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.lightbox-content-box {
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content-box img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 60px rgba(0,0,0,0.8);
}

.lightbox-content-box video {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: var(--radius-sm);
  outline: none;
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 20px;
}

.lightbox-nav-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-nav-btn.prev { left: 24px; }
.lightbox-nav-btn.next { right: 24px; }

/* Responsive */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0;
  }
}