/* =============================================================
   DriveFlask - Style personnalisé (thème sombre par défaut)
   ============================================================= */

:root {
  --bg-color: #0f1117;
  --bg-elevated: #171a23;
  --bg-card: #1c202b;
  --border-color: #2a2f3c;
  --text-color: #e6e8ee;
  --text-muted: #8b91a3;
  --accent: #6c5ce7;
  --accent-hover: #5a4bd1;
  --danger: #ff5c72;
  --success: #2ecc71;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: "Segoe UI", Roboto, -apple-system, sans-serif;
  min-height: 100vh;
}

/* ---------- Navbar ---------- */
.app-navbar {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
  padding: 0.9rem 0;
}

.app-navbar .navbar-brand {
  color: var(--text-color);
  font-weight: 700;
  font-size: 1.3rem;
}

.app-navbar .navbar-brand i {
  color: var(--accent);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp 0.45s ease both;
}

/* ---------- Auth pages ---------- */
.auth-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 75vh;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.auth-icon {
  font-size: 2.5rem;
  color: var(--accent);
}

.form-control, .form-select {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-color);
}

.form-control:focus, .form-select:focus {
  background: var(--bg-elevated);
  color: var(--text-color);
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(108, 92, 231, 0.25);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ---------- Dashboard header ---------- */
.dashboard-header h1 {
  font-weight: 700;
}

.stats-row {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 160px;
}

.stat-box i {
  font-size: 1.6rem;
  color: var(--accent);
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- Upload zone ---------- */
.upload-zone {
  background: var(--bg-card);
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
  margin-top: 1.5rem;
  transition: all 0.25s ease;
}

.upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(108, 92, 231, 0.08);
  transform: scale(1.01);
}

.upload-icon {
  font-size: 2.8rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

/* ---------- Search bar ---------- */
.search-wrapper {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.search-wrapper i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-wrapper input {
  padding-left: 40px;
}

/* ---------- File grid ---------- */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.file-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.file-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  border-color: var(--accent);
}

.file-card-top {
  position: relative;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-radius: 10px;
  margin-bottom: 0.8rem;
  overflow: hidden;
}

.file-checkbox {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2;
}

.file-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-icon {
  font-size: 3rem;
}

.file-icon.pdf { color: #ff5c72; }
.file-icon.audio { color: #6c5ce7; }
.file-icon.archive { color: #f5a623; }
.file-icon.doc { color: #4a90e2; }
.file-icon.default { color: var(--text-muted); }

.file-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.file-card-actions {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.8rem;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--border-color);
}

/* ---------- Modal (aperçu) ---------- */
.modal-content {
  background: var(--bg-card);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

#previewModalBody img,
#previewModalBody video,
#previewModalBody iframe {
  max-width: 100%;
  max-height: 70vh;
  border-radius: 8px;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 6px;
}

/* ---------- Responsive ---------- */
@media (max-width: 576px) {
  .auth-card {
    padding: 1.5rem;
  }

  .file-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}