:root {
  --bg: #0e1117;
  --bg-surface: #161b22;
  --bg-card: #1c2130;
  --bg-card-hover: #222840;
  --border: rgba(255,255,255,0.07);
  --border-focus: rgba(240,165,0,0.5);
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-faint: #484f58;
  --accent: #f0a500;
  --accent-hover: #fbbf24;
  --danger: #f85149;
  --success: #3fb950;
  --radius: 8px;
  --radius-sm: 4px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --sidebar-width: 240px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font:inherit}

/* Layout */
.app{display:flex;height:100vh;overflow:hidden}
.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;transition:transform .2s ease}
.main-content{flex:1;overflow-y:auto;padding:24px 28px}

/* Sidebar */
.sidebar-logo{padding:20px 16px 12px;font-size:18px;font-weight:700;letter-spacing:-.5px}
.sidebar-logo span{color:var(--accent)}
.sidebar-nav{padding:8px;flex:1}
.nav-item{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:var(--radius-sm);color:var(--text-muted);font-size:13.5px;transition:background .15s,color .15s}
.nav-item:hover,.nav-item.active{background:var(--bg-card);color:var(--text)}
.nav-item svg{width:16px;height:16px;flex-shrink:0}
.sidebar-section-label{padding:12px 10px 4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint)}

/* Breadcrumb */
.breadcrumb{display:flex;align-items:center;gap:6px;margin-bottom:20px;font-size:13px;color:var(--text-muted)}
.breadcrumb a:hover{color:var(--text)}
.breadcrumb-sep{color:var(--text-faint)}
.breadcrumb-current{color:var(--text);font-weight:500}

/* Grid */
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.section-heading{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:10px;margin-top:20px}
.section-heading:first-child{margin-top:0}

/* Cards */
/* Cards */
[x-cloak]{display:none!important}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;cursor:pointer;transition:background .15s,border-color .15s;position:relative;user-select:none}
.card:hover{background:var(--bg-card-hover);border-color:rgba(255,255,255,.12)}
.card-icon{width:36px;height:36px;border-radius:var(--radius-sm);background:rgba(240,165,0,.12);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.card-icon svg{width:20px;height:20px;color:var(--accent)}
.card-folder-icon{background:rgba(96,165,250,.12)}
.card-folder-icon svg{color:#60a5fa}
.card-name{font-size:13px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}
.card-meta{font-size:11.5px;color:var(--text-muted);display:flex;gap:6px;align-items:center}
.card-meta-sep{color:var(--text-faint)}

/* Context menu (floating, fixed-position, appears at cursor) */
.ctx-menu{position:fixed;z-index:9000;background:var(--bg-surface);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);box-shadow:0 8px 32px rgba(0,0,0,.6),0 2px 8px rgba(0,0,0,.4);padding:4px;min-width:180px;outline:none}
.ctx-item{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;transition:background .1s,color .1s;white-space:nowrap;background:none;border:none;width:100%;text-align:left;font:inherit;font-size:13px;text-decoration:none;line-height:1.4}
.ctx-item:hover{background:rgba(255,255,255,.07);color:var(--text)}
.ctx-item svg{width:14px;height:14px;flex-shrink:0;opacity:.6}
.ctx-item:hover svg{opacity:1}
.ctx-item-danger:hover{color:var(--danger);background:rgba(248,81,73,.08)}
.ctx-sep{height:1px;background:var(--border);margin:4px 0}
.ctx-submenu{display:flex;flex-direction:column;gap:1px;max-height:200px;overflow-y:auto;padding:2px 0}
.ctx-folder-btn{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;transition:background .1s,color .1s;white-space:nowrap;background:none;border:none;width:100%;text-align:left;font:inherit;font-size:12.5px}
.ctx-folder-btn:hover{background:rgba(255,255,255,.07);color:var(--text)}

/* card-btn — used in admin tables */
.card-btn{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:5px 10px;font-size:11.5px;color:var(--text-muted);transition:color .15s,background .15s;white-space:nowrap;cursor:pointer;text-decoration:none}
.card-btn:hover{color:var(--text);background:var(--bg-card-hover)}
.card-btn-danger:hover{color:var(--danger);border-color:var(--danger)}

/* Empty state */
.empty-state{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state svg{width:40px;height:40px;margin-bottom:12px;opacity:.3}
.empty-state p{font-size:13px}

/* Forms */
.input{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;color:var(--text);font:inherit;font-size:14px;width:100%;transition:border-color .15s;outline:none}
.input:focus{border-color:var(--border-focus)}
.input::placeholder{color:var(--text-faint)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:var(--radius-sm);font-size:13.5px;font-weight:500;border:none;transition:background .15s;white-space:nowrap}
.btn-primary{background:var(--accent);color:#0e1117}
.btn-primary:hover{background:var(--accent-hover)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text-muted)}
.btn-ghost:hover{background:var(--bg-card);color:var(--text)}

/* Login */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}
.login-card{width:100%;max-width:400px;background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:36px 32px}
.login-logo{font-size:22px;font-weight:700;letter-spacing:-.5px;margin-bottom:6px}
.login-logo span{color:var(--accent)}
.login-subtitle{color:var(--text-muted);font-size:13px;margin-bottom:28px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:12.5px;font-weight:500;color:var(--text-muted);margin-bottom:6px;letter-spacing:.02em}
.error-msg{background:rgba(248,81,73,.1);border:1px solid rgba(248,81,73,.25);border-radius:var(--radius-sm);color:var(--danger);padding:9px 12px;font-size:13px;margin-bottom:16px}

/* Toasts */
.toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;font-size:13px;min-width:240px;max-width:320px;box-shadow:0 4px 20px rgba(0,0,0,.4);display:flex;align-items:center;gap:8px;animation:slideIn .2s ease}
.toast-success{border-left:3px solid var(--success)}
.toast-error{border-left:3px solid var(--danger)}
.toast-info{border-left:3px solid #60a5fa}
@keyframes slideIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}

/* Toolbar */
.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.toolbar-title{font-size:16px;font-weight:600;color:var(--text)}

/* Sidebar user section */
.sidebar-user{padding:12px 16px;border-top:1px solid var(--border);margin-top:auto}
.sidebar-user-name{font-size:12.5px;font-weight:500;color:var(--text);margin-bottom:2px}
.sidebar-user-email{font-size:11.5px;color:var(--text-muted);margin-bottom:10px}

/* Mobile */
@media(max-width:768px){
  .sidebar{position:fixed;inset:0 auto 0 0;z-index:100;transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{padding:16px}
  .file-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
}
@media(max-width:480px){.file-grid{grid-template-columns:1fr}}

/* ── Upload Zone ── */
.upload-drop-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.upload-drop-area:hover,
.upload-drop-active {
  border-color: var(--accent);
  background: rgba(240, 165, 0, 0.04);
}

.upload-progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
}
.upload-filename {
  width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-muted);
}
.upload-progress-bar-track {
  flex: 1;
  height: 4px;
  background: var(--bg-card);
  border-radius: 2px;
  overflow: hidden;
}
.upload-progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.1s linear;
}
.upload-progress-pct {
  width: 36px;
  text-align: right;
  color: var(--text-muted);
  font-size: 11px;
}

/* ── Admin Table ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-card); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
}
.badge-admin  { background: rgba(240,165,0,0.15);  color: var(--accent); }
.badge-editor { background: rgba(96,165,250,0.15); color: #60a5fa; }
.badge-viewer { background: rgba(139,148,158,0.1); color: var(--text-muted); }
.badge-inactive { background: rgba(248,81,73,0.1); color: var(--danger); }

/* ── Inline Folder Rename ── */
.folder-rename-input {
  padding: 5px 8px;
  font-size: 12.5px;
  max-width: 148px;
}

/* ── Inline File Rename ── */
.file-rename-input {
  padding: 5px 8px;
  font-size: 12.5px;
  max-width: 160px;
}

/* Error pages */
.error-standalone{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg);text-align:center;padding:20px}
.error-auth{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;padding:20px}
.error-code{font-size:72px;font-weight:700;color:var(--accent);line-height:1;margin-bottom:12px;opacity:.8}
.error-title{font-size:22px;font-weight:600;color:var(--text);margin-bottom:10px}
.error-message{font-size:14px;color:var(--text-muted);max-width:400px;line-height:1.6}


/* Pagination */
.pagination-bar{display:flex;align-items:center;gap:8px;margin-top:24px;justify-content:center}
.pagination-info{font-size:12.5px;color:var(--text-muted);padding:0 8px}

/* Preview panel */
.preview-panel{position:fixed;top:0;right:0;height:100vh;width:480px;background:var(--bg-surface);border-left:1px solid var(--border);z-index:200;display:flex;flex-direction:column;overflow-y:auto;box-shadow:-4px 0 24px rgba(0,0,0,.4);transition:transform .25s ease}
.preview-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);flex-shrink:0}
.preview-filename{font-size:14px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:360px}
.preview-close{background:none;border:none;color:var(--text-muted);padding:4px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:color .15s,background .15s}
.preview-close:hover{color:var(--text);background:var(--bg-card)}
.preview-media{padding:20px;border-bottom:1px solid var(--border);flex-shrink:0}
.preview-no-preview{display:flex;flex-direction:column;align-items:center;justify-content:center;height:160px;background:var(--bg-card);border-radius:var(--radius);color:var(--text-muted)}
.preview-ext{font-size:32px;font-weight:700;color:var(--text-faint);font-family:monospace}
.preview-meta{padding:16px 20px;display:flex;flex-direction:column;gap:10px;border-bottom:1px solid var(--border)}
.preview-meta-row{display:flex;justify-content:space-between;font-size:12.5px}
.preview-meta-label{color:var(--text-muted)}
.preview-actions{padding:16px 20px;display:flex;gap:8px}
[x-cloak]{display:none!important}