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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent: #06b6d4;
    --accent2: #8b5cf6;
    --dark: #0f172a;
    --dark2: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --border: #e2e8f0;
    --bg: #f8fafc;
    --bg2: #f1f5f9;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.08);
    --font: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --mono: 'Space Mono', monospace;
}

/* Dark Mode */
[data-theme="dark"] {
    --dark: #e2e8f0; --dark2: #cbd5e1; --gray: #94a3b8; --gray-light: #64748b;
    --border: #334155; --bg: #0f172a; --bg2: #1e293b; --white: #1e293b;
    --shadow: 0 1px 3px rgba(0,0,0,.2); --shadow-lg: 0 10px 40px rgba(0,0,0,.3);
}
[data-theme="dark"] body { background:#0f172a; color:#e2e8f0; }
[data-theme="dark"] .auth-card,.dark .auth-card { background:#1e293b; }
[data-theme="dark"] .form-control { background:#0f172a; color:#e2e8f0; border-color:#334155; }
[data-theme="dark"] .card { background:#1e293b; border-color:#334155; }
[data-theme="dark"] .card-header { border-color:#334155; }
[data-theme="dark"] table.table th { background:#0f172a; color:#94a3b8; border-color:#334155; }
[data-theme="dark"] table.table td { border-color:#334155; color:#e2e8f0; }
[data-theme="dark"] .stat-card { background:#1e293b; border-color:#334155; }
[data-theme="dark"] .modal-box { background:#1e293b; }
[data-theme="dark"] .modal-header { border-color:#334155; }
[data-theme="dark"] .sidebar { background:#020617; }
[data-theme="dark"] .user-topbar,[data-theme="dark"] .admin-topbar { background:#1e293b; border-color:#334155; }
[data-theme="dark"] .user-topbar h1,[data-theme="dark"] .admin-topbar h1 { color:#e2e8f0; }
[data-theme="dark"] .user-main,[data-theme="dark"] .admin-main { background:#0f172a; }
[data-theme="dark"] .file-card { background:#1e293b; border-color:#334155; }
[data-theme="dark"] .file-card:hover { border-color:var(--primary); }
[data-theme="dark"] .file-card.selected { background:#172554; }
[data-theme="dark"] .file-name { color:#e2e8f0; }
[data-theme="dark"] .file-thumb { background:#0f172a; }
[data-theme="dark"] .file-actions { background:rgba(30,41,59,.95); border-color:#334155; }
[data-theme="dark"] .drive-toolbar { background:#1e293b; border-color:#334155; }
[data-theme="dark"] .cat-tabs { background:#1e293b; border-color:#334155; }
[data-theme="dark"] .cat-tab.active { background:#172554; }
[data-theme="dark"] .search-form input { background:#0f172a; color:#e2e8f0; border-color:#334155; }
[data-theme="dark"] .breadcrumb .cur { color:#e2e8f0; }
[data-theme="dark"] .empty-drive { background:#1e293b; border-color:#334155; }
[data-theme="dark"] .upload-popup { background:#1e293b; }
[data-theme="dark"] .up-item { border-color:#334155; }
[data-theme="dark"] .up-item .up-name { color:#e2e8f0; }
[data-theme="dark"] .profile-card { background:#1e293b; border-color:#334155; }
[data-theme="dark"] .avatar-name { color:#e2e8f0; }
[data-theme="dark"] .stat-item { background:#0f172a; }
[data-theme="dark"] .stat-item .sv { color:#e2e8f0; }
[data-theme="dark"] .form-group label { color:#94a3b8; }
[data-theme="dark"] .form-group input { background:#0f172a; color:#e2e8f0; border-color:#334155; }
[data-theme="dark"] .alert-success { background:#064e3b; color:#6ee7b7; border-color:#065f46; }
[data-theme="dark"] .alert-danger { background:#7f1d1d; color:#fca5a5; border-color:#991b1b; }
[data-theme="dark"] .btn-outline { color:#e2e8f0; border-color:#475569; }
[data-theme="dark"] .badge-success { background:#064e3b; color:#6ee7b7; }
[data-theme="dark"] .badge-danger { background:#7f1d1d; color:#fca5a5; }
.theme-toggle{background:none;border:1px solid var(--border);border-radius:10px;padding:7px 12px;cursor:pointer;font-size:14px;color:var(--gray);transition:all .2s;display:inline-flex;align-items:center;gap:6px;font-family:var(--font);font-weight:600;font-size:12px}
.theme-toggle:hover{border-color:var(--primary);color:var(--primary)}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
button { font-family: var(--font); cursor: pointer; }
input, select, textarea { font-family: var(--font); }

/* ── Utilities ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 22px; border-radius: 10px; font-size: 14px;
    font-weight: 600; border: 2px solid transparent;
    transition: all .2s; cursor: pointer; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(37,99,235,.3); }
.btn-outline { background: transparent; color: var(--dark); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #dc2626; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #059669; }
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 12px; }
.btn-block { width: 100%; justify-content: center; }
.btn-ghost { background: transparent; color: var(--gray); border: none; padding: 6px 10px; }
.btn-ghost:hover { color: var(--primary); background: rgba(37,99,235,.06); }

/* ── Forms ── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--dark2); margin-bottom: 6px; }
.form-control {
    width: 100%; padding: 10px 14px; border: 2px solid var(--border);
    border-radius: 10px; font-size: 14px; outline: none;
    transition: border .2s, box-shadow .2s; background: var(--white);
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

/* ── Alert ── */
.alert {
    padding: 12px 18px; border-radius: 10px; font-size: 14px;
    font-weight: 500; margin-bottom: 16px; display: flex; align-items: center; gap: 10px;
}
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }

/* ── Cards ── */
.card {
    background: var(--white); border-radius: var(--radius);
    border: 1px solid var(--border); box-shadow: var(--shadow);
    overflow: hidden;
}
.card-header { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-header h3 { font-size: 16px; font-weight: 700; }
.card-body { padding: 22px; }

/* ── Table ── */
.table-responsive { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; }
table.table th { background: var(--bg2); padding: 10px 14px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--gray); text-align: left; border-bottom: 2px solid var(--border); }
table.table td { padding: 12px 14px; font-size: 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.table tr:hover td { background: var(--bg); }

/* ── Badge ── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-secondary { background: #e2e8f0; color: #475569; }

/* ── Stat Card ── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--white); border-radius: var(--radius);
    border: 1px solid var(--border); padding: 20px;
    display: flex; align-items: center; gap: 16px;
}
.stat-card .stat-icon {
    width: 52px; height: 52px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; flex-shrink: 0;
}
.stat-card .stat-value { font-size: 1.5rem; font-weight: 800; color: var(--dark); line-height: 1.2; }
.stat-card .stat-label { font-size: 12px; color: var(--gray); margin-top: 2px; }

/* ── Modal ── */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.55);
    z-index: 9999; display: none; align-items: center;
    justify-content: center; padding: 20px; backdrop-filter: blur(4px);
}
.modal-overlay.active { display: flex; }
.modal-box {
    background: var(--white); border-radius: 18px;
    width: 100%; max-width: 500px;
    box-shadow: 0 24px 64px rgba(0,0,0,.2); overflow: hidden;
    animation: modalIn .25s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(.95) translateY(10px); } to { opacity: 1; transform: none; } }
.modal-header {
    padding: 20px 24px; display: flex; align-items: center;
    justify-content: space-between; border-bottom: 1px solid var(--border);
}
.modal-header h4 { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.modal-close { background: none; border: none; font-size: 20px; color: var(--gray); padding: 4px; line-height: 1; }
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── Pagination ── */
.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 20px; }
.pagination a, .pagination span {
    padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 600;
    border: 1px solid var(--border); color: var(--gray);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .hide-mobile { display: none !important; }
}
@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; }
}