/* ============================================================
   ManbaCloud – Modern Dark Theme
   ============================================================ */

/* ---- CSS Reset & Variables ---- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0b0b14;
  --surface: #16162a;
  --surface-2: #1e1e3a;
  --surface-3: #2a2a4a;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99,102,241,0.3);
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #22c55e;
  --warning: #eab308;
  --text: #e2e8f0;
  --text-2: #94a3b8;
  --text-3: #64748b;
  --border: #2a2a4a;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
  --transition: 0.2s ease;
}

html { font-size: 15px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Typography ---- */
h1, h2, h3 { font-weight: 600; line-height: 1.3; }
a { color: var(--primary); text-decoration: none; }
small { color: var(--text-3); font-size: 0.85em; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border: none; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 500; cursor: pointer;
  transition: all var(--transition); white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 0 20px var(--primary-glow); }
.btn-secondary { background: var(--surface-3); color: var(--text); }
.btn-secondary:hover { background: var(--border); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-icon { background: transparent; color: var(--text-2); padding: 8px; font-size: 1.2rem; border-radius: var(--radius-xs); }
.btn-icon:hover { background: var(--surface-2); color: var(--text); }
.btn-full { width: 100%; justify-content: center; padding: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* ---- Inputs ---- */
.input-group { margin-bottom: 16px; }
.input-group label {
  display: block; margin-bottom: 6px; font-size: 0.9rem; color: var(--text-2); font-weight: 500;
}
.input-group input, .input-group select {
  width: 100%; padding: 10px 14px; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-xs); color: var(--text); font-size: 0.95rem;
  transition: border-color var(--transition);
}
.input-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.input-group input::placeholder { color: var(--text-3); }

/* ---- Error Message ---- */
.error-msg { color: var(--danger); font-size: 0.85rem; margin-top: 10px; min-height: 1.2em; }

/* ---- Toast ---- */
.toast {
  position: fixed; top: 20px; right: 20px; z-index: 9999;
  padding: 12px 24px; border-radius: var(--radius-sm); font-weight: 500;
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
  box-shadow: var(--shadow); opacity: 0; transform: translateY(-10px);
  transition: all 0.3s ease; pointer-events: none; max-width: 400px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); background: rgba(239,68,68,0.15); color: #fca5a5; }
.toast.info { border-color: var(--primary); }

/* ---- Views ---- */
.view { display: none; }
.view.active { display: flex; }

/* ============================================================
   LOGIN VIEW
   ============================================================ */
#view-login {
  min-height: 100vh; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at center, #1a1a3e 0%, #0b0b14 70%);
  padding: 20px;
}
.login-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 48px 40px; width: 100%; max-width: 400px;
  box-shadow: var(--shadow); text-align: center;
}
.login-icon { font-size: 4rem; margin-bottom: 8px; }
.login-title { font-size: 1.8rem; margin-bottom: 4px; }
.login-desc { color: var(--text-2); margin-bottom: 28px; font-size: 0.9rem; }

/* ============================================================
   DASHBOARD
   ============================================================ */
#view-dashboard { flex-direction: column; min-height: 100vh; }

/* Top Bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.topbar-brand { font-size: 1.15rem; font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.quota-indicator {
  cursor: pointer; padding: 6px 10px; border-radius: var(--radius-xs);
  transition: background var(--transition);
}
.quota-indicator:hover { background: var(--surface-2); }

/* Dashboard Main */
.dashboard-main {
  flex: 1; padding: 24px; max-width: 1200px; width: 100%; margin: 0 auto;
}

/* Quota Section */
.quota-section { margin-bottom: 24px; }
.quota-row { display: flex; gap: 20px; }
.quota-item { flex: 1; background: var(--surface); padding: 16px 20px; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.quota-label { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 0.9rem; color: var(--text-2); }

.progress-bar {
  height: 8px; background: var(--surface-2); border-radius: 4px; overflow: hidden;
}
.progress-fill {
  height: 100%; background: var(--primary); border-radius: 4px; transition: width 0.6s ease;
}
.progress-fill.progress-warning { background: var(--warning); }
.progress-fill.progress-danger { background: var(--danger); }
.progress-fill.progress-success { background: var(--success); }

/* Toolbar */
.toolbar {
  display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
}
.toolbar-spacer { flex: 1; }
.search-box input {
  padding: 8px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); width: 240px; font-size: 0.9rem;
}
.search-box input:focus { outline: none; border-color: var(--primary); }

/* Empty State */
.empty-state {
  text-align: center; padding: 80px 20px; color: var(--text-3);
}
.empty-icon { font-size: 4rem; margin-bottom: 16px; }

/* Files Table */
.table-wrapper { overflow-x: auto; }
#files-table {
  width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius-sm);
  overflow: hidden; border: 1px solid var(--border);
}
#files-table th {
  background: var(--surface-2); padding: 12px 16px; text-align: left;
  font-weight: 600; font-size: 0.85rem; color: var(--text-2); text-transform: uppercase;
  letter-spacing: 0.5px; white-space: nowrap;
}
#files-table td { padding: 12px 16px; border-top: 1px solid var(--border); font-size: 0.9rem; vertical-align: middle; }
#files-table tbody tr:hover { background: var(--surface-2); transition: background var(--transition); }

.col-name { min-width: 180px; }
.col-name .file-icon { margin-right: 8px; }
.col-size { width: 100px; }
.col-type { width: 120px; }
.col-date { width: 160px; white-space: nowrap; }
.col-actions { width: 200px; white-space: nowrap; }

.file-actions { display: flex; gap: 4px; }
.file-actions .btn { padding: 6px 10px; font-size: 0.85rem; }

/* ============================================================
   SHARE VIEW
   ============================================================ */
#view-share {
  min-height: 100vh; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at center, #1a1a3e 0%, #0b0b14 70%);
  padding: 20px;
}
.share-container { width: 100%; max-width: 440px; }
.share-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 40px 36px; box-shadow: var(--shadow); text-align: center;
}
.share-icon { font-size: 3.5rem; margin-bottom: 8px; }
.share-desc { color: var(--text-2); margin-bottom: 24px; font-size: 0.9rem; }
.share-file-info {
  background: var(--surface-2); padding: 10px 16px; border-radius: var(--radius-xs);
  margin-bottom: 20px; font-size: 0.9rem; word-break: break-all;
}
.share-filename { color: var(--primary); font-weight: 600; margin: 12px 0; word-break: break-all; }

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 20px; backdrop-filter: blur(4px);
}
.modal {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  width: 100%; max-width: 520px; box-shadow: var(--shadow); animation: modalIn 0.2s ease;
}
.modal-sm { max-width: 400px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1.05rem; }
.modal-close { background: none; border: none; color: var(--text-3); font-size: 1.5rem; cursor: pointer; padding: 4px 8px; border-radius: 4px; }
.modal-close:hover { background: var(--surface-2); color: var(--text); }
.modal-body { padding: 24px; }
.modal-actions {
  display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Drop Zone */
.drop-zone {
  border: 2px dashed var(--border); border-radius: var(--radius-sm);
  padding: 40px 20px; text-align: center; cursor: pointer;
  transition: all var(--transition);
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--primary); background: rgba(99,102,241,0.06);
}
.drop-icon { font-size: 3rem; display: block; margin-bottom: 12px; }
.drop-zone p { color: var(--text-2); margin-bottom: 12px; }
.drop-zone-content { pointer-events: none; }
.drop-zone .btn { pointer-events: auto; }

/* Upload progress */
.upload-progress { margin-top: 16px; }
.upload-progress .progress-bar { height: 6px; margin-bottom: 8px; }
.upload-progress p { font-size: 0.85rem; color: var(--text-2); }

/* Share file name display */
.share-filename-display { color: var(--text); font-weight: 500; word-break: break-all; }

/* Share result */
.share-result { margin-top: 20px; }
.share-result hr { border: none; border-top: 1px solid var(--border); margin-bottom: 16px; }
.share-result-label { font-size: 0.9rem; color: var(--text-2); margin-bottom: 8px; }
.share-url-box { display: flex; gap: 8px; }
.share-url-box input { flex: 1; font-size: 0.85rem; }
.share-url-box .btn { padding: 8px 14px; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .quota-row { flex-direction: column; }
  .toolbar { flex-wrap: wrap; }
  .search-box { width: 100%; }
  .search-box input { width: 100%; }
  .topbar { padding: 10px 16px; }
  .dashboard-main { padding: 16px; }
  #files-table th, #files-table td { padding: 10px 12px; }
  .col-actions { width: 140px; }
  .file-actions .btn { padding: 4px 8px; font-size: 0.8rem; }
}

@media (max-width: 480px) {
  .login-card { padding: 32px 24px; }
  .modal { padding: 0; }
  .modal-body { padding: 16px; }
  .share-card { padding: 28px 20px; }
}