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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: rgba(15, 23, 42, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(148, 163, 184, 0.15);
  --accent: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
  --accent-glow: rgba(74, 222, 128, 0.3);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius-lg: 24px;
  --radius-md: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
}

.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
  gap: 0;
}

/* Sidebar */
.sidebar {
  background: linear-gradient(180deg, rgba(10,14,26,0.95) 0%, rgba(5,8,16,0.95) 100%);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.logo-section h1 {
  font-size: 28px;
  font-weight: 700;
  background: var(--accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.tagline {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
}

.nav {
  margin: 48px 0;
}

.nav-btn {
  width: 100%;
  padding: 16px 20px;
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.nav-btn:hover {
  background: var(--glass-border);
  color: var(--text-primary);
  transform: translateX(4px);
}

.nav-btn.active {
  background: linear-gradient(90deg, var(--accent-glow), transparent);
  color: #22c55e;
  box-shadow: var(--shadow-glass);
}

.sidebar-bottom {
  margin-top: auto;
  padding-top: 32px;
  border-top: 1px solid var(--glass-border);
}

.auth-btn, .pass-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: 15px;
  transition: var(--transition);
}

.auth-btn:hover {
  background: var(--accent-glow);
  border-color: #4ade80;
}

.pass-input:focus {
  outline: none;
  border-color: #4ade80;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.stats {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Main */
.main {
  padding: 32px;
  overflow-y: auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.search-section {
  display: flex;
  flex: 1;
  max-width: 480px;
  gap: 12px;
}

.search-input {
  flex: 1;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: 16px;
  backdrop-filter: blur(20px);
}

.search-input:focus {
  outline: none;
  border-color: #4ade80;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.theme-toggle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--bg-glass);
  color: var(--text-secondary);
  cursor: pointer;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.metric-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.metric-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.metric-value {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
}

.progress-bar {
  height: 8px;
  background: rgba(148, 163, 184, 0.2);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.6s ease;
  width: 0%;
}

/* Upload Zone */
.upload-zone {
  max-width: 800px;
  margin: 0 auto;
}

.upload-area {
  border: 3px dashed var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  transition: var(--transition);
  cursor: pointer;
}

.upload-area:hover, .upload-area.dragover {
  border-color: #4ade80;
  background: var(--accent-glow);
  transform: scale(1.02);
}

.upload-icon {
  font-size: 64px;
  margin-bottom: 24px;
}

.upload-btn-primary {
  background: var(--accent);
  color: #030712;
  border: none;
  padding: 16px 32px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 24px;
  transition: var(--transition);
}

.upload-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px var(--accent-glow);
}

/* Media Grid */
.media-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.media-btn {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.media-btn.active, .media-btn:hover {
  background: var(--accent-glow);
  color: #22c55e;
  border-color: #4ade80;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.media-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.media-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.media-thumbnail {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: linear-gradient(45deg, #1e293b, #334155);
}

.media-info {
  padding: 20px;
}

.media-name {
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 16px;
}

.media-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.active {
  display: flex;
}

.modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: var(--bg-glass);
  backdrop-filter: blur(40px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  max-width: 1200px;
  width: 90%;
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 28px;
  cursor: pointer;
  z-index: 10;
}

#modalMedia {
  width: 100%;
  height: 70vh;
}

#modalMedia video, #modalMedia img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal-actions {
  padding: 24px;
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn-primary {
  background: var(--accent);
  color: #030712;
  border: none;
  padding: 16px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

/* Responsive */
@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: relative;
    height: auto;
  }
  
  .main {
    padding: 24px 16px;
  }
}

.download-link, .delete-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--bg-glass);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.download-link:hover {
  border-color: #4ade80;
  background: var(--accent-glow);
  color: #22c55e;
}

.delete-btn:hover {
  border-color: rgba(248, 113, 113, 0.8);
  background: rgba(248, 113, 113, 0.14);
  color: rgba(248, 113, 113, 1);
}

#downloadTable .actions {
  display: flex;
  gap: 10px;
}

/* ===== spacing fixes ===== */
.main { padding: 40px; }
.topbar { margin-bottom: 26px; }
.metrics-grid { gap: 28px; margin-bottom: 34px; }
.media-controls { gap: 12px; margin-bottom: 22px; }
.media-grid { gap: 22px; }

/* recent uploads smaller + not huge */
#recentFiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}

/* consistent thumbnails (no stretch) [web:135] */
.media-thumbnail {
  width: 100%;
  height: 170px;
  display: block;
  object-fit: cover;
  object-position: center;
}

/* file fallback tile */
.file-thumb {
  width: 100%;
  height: 170px;
  display: grid;
  place-items: center;
  font-size: 44px;
  background: linear-gradient(45deg, #0f172a, #111827);
}

/* downloads table spacing */
#downloadTable th, #downloadTable td { padding: 12px 12px; }
#downloadTable tbody tr:hover { background: rgba(148,163,184,0.06); }

.download-link, .delete-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--bg-glass);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.download-link:hover {
  border-color: #4ade80;
  background: var(--accent-glow);
  color: #22c55e;
}

.delete-btn:hover {
  border-color: rgba(248, 113, 113, 0.8);
  background: rgba(248, 113, 113, 0.14);
  color: rgba(248, 113, 113, 1);
}

#downloadTable .actions { display: flex; gap: 10px; }
.auth-title { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; }
.auth-label { display:block; font-size:12px; color: var(--text-secondary); margin: 10px 0 6px; }
.auth-actions { display:flex; gap:10px; margin-top: 12px; }
.auth-msg { margin-top: 10px; font-size: 13px; min-height: 18px; color: var(--text-secondary); }