/* ── Layout ── */
.app-container { display: flex; min-height: 100vh; }

/* ── Sidebar ── */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0; top: 0;
    display: flex;
    flex-direction: column;
    z-index: 200;
    border-right: 1px solid var(--border);
    padding: 0;
    overflow: hidden;
}

.sidebar-header {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    color: #fff;
    box-shadow: 0 4px 12px var(--glow-blue);
    flex-shrink: 0;
}

.logo-subtitle {
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: block;
    line-height: 1;
    margin-top: 2px;
}

/* User card in sidebar */
.sidebar-user {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: var(--transition);
}
.sidebar-user:hover { background: var(--bg-hover); }
.user-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.8rem; color: #fff;
    flex-shrink: 0;
    border: 2px solid rgba(255,255,255,0.15);
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 0.82rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 0.72rem; color: var(--text-muted); }

/* Nav */
.sidebar-nav { flex: 1; padding: 12px 12px; overflow-y: auto; }
.nav-section-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 12px 10px 6px;
}
.nav-links { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.nav-item a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}
.nav-item a:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item a i { width: 16px; text-align: center; font-size: 0.9rem; }
.nav-item.active a {
    background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(99,102,241,0.15));
    color: var(--accent-blue);
    border: 1px solid rgba(59,130,246,0.18);
}
.nav-badge {
    margin-left: auto;
    background: var(--accent-red);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 20px;
    min-width: 18px;
    text-align: center;
}

/* Sidebar footer */
.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border);
}
.sidebar-footer a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: var(--text-sm);
    transition: var(--transition);
    cursor: pointer;
}
.sidebar-footer a:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ── Main Content ── */
.main-content { flex: 1; margin-left: var(--sidebar-width); display: flex; flex-direction: column; min-height: 100vh; }

/* ── Top Bar ── */
.topbar {
    position: sticky; top: 0; z-index: 100;
    padding: 0 32px;
    height: 64px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(6, 11, 24, 0.85);
}
.topbar-left { display: flex; align-items: center; gap: 20px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: var(--text-sm); color: var(--text-muted); }
.breadcrumb span:last-child { color: var(--text-primary); font-weight: 500; }
.breadcrumb i { font-size: 0.7rem; }
.topbar-search {
    position: relative;
    display: flex; align-items: center;
}
.topbar-search input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 8px 14px 8px 36px;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: 'Inter', sans-serif;
    width: 220px;
    transition: var(--transition);
}
.topbar-search input:focus { outline: none; border-color: var(--accent-blue); width: 280px; box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
.topbar-search input::placeholder { color: var(--text-muted); }
.topbar-search .search-icon { position: absolute; left: 12px; color: var(--text-muted); font-size: 0.8rem; pointer-events: none; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar-icon-btn {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
}
.topbar-icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border); }
.notif-dot {
    position: absolute; top: 6px; right: 6px;
    width: 7px; height: 7px;
    background: var(--accent-red);
    border-radius: 50%;
    border: 1.5px solid var(--bg-primary);
    animation: pulse-dot 2s infinite;
}

/* ── Page Content Area ── */
.page-content { padding: 28px 32px; flex: 1; }

/* ── Page Header ── */
.page-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 28px;
}
.page-header-left h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.03em; }
.page-header-left p { color: var(--text-secondary); font-size: var(--text-sm); margin-top: 4px; }
.header-actions { display: flex; gap: 10px; align-items: center; }

/* ── Stats Grid ── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 24px; }
.stat-card {
    padding: 22px;
    position: relative;
    overflow: hidden;
    cursor: default;
}
.stat-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    opacity: 0;
    transition: opacity 0.3s;
}
.stat-card:hover::before { opacity: 1; }
.stat-card:hover { transform: translateY(-3px); }
.stat-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.stat-label { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.stat-icon-box {
    width: 38px; height: 38px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
}
.stat-value { font-size: 2rem; font-weight: 700; letter-spacing: -0.04em; line-height: 1; margin-bottom: 8px; }
.stat-change { display: flex; align-items: center; gap: 5px; font-size: var(--text-xs); color: var(--text-muted); }
.stat-change.up { color: var(--accent-green); }
.stat-change.down { color: var(--accent-red); }

/* ── Section Header ── */
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.section-title { font-size: 0.95rem; font-weight: 600; }
.section-actions { display: flex; gap: 8px; align-items: center; }

/* ── Table Container ── */
.table-container { overflow-x: auto; }
.table-toolbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
    flex-wrap: wrap;
}
.table-search {
    position: relative; display: flex; align-items: center; flex: 1; max-width: 300px;
}
.table-search input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px 8px 34px;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}
.table-search input:focus { outline: none; border-color: var(--accent-blue); }
.table-search input::placeholder { color: var(--text-muted); }
.table-search .search-icon { position: absolute; left: 11px; color: var(--text-muted); font-size: 0.8rem; }
.filter-group { display: flex; gap: 8px; }
.filter-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 7px 12px;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--transition);
}
.filter-select:focus { outline: none; border-color: var(--accent-blue); }

table { width: 100%; border-collapse: separate; border-spacing: 0; }
thead { position: sticky; top: 0; z-index: 10; }
th {
    padding: 12px 16px;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    background: rgba(6,11,24,0.8);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}
th:hover { color: var(--text-secondary); }
th i.sort-icon { margin-left: 5px; font-size: 0.65rem; opacity: 0.5; }
td {
    padding: 14px 16px;
    font-size: var(--text-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    white-space: nowrap;
}
tbody tr { transition: var(--transition); cursor: default; }
tbody tr:hover { background: rgba(255,255,255,0.025); }
tbody tr:last-child td { border-bottom: none; }

/* Table Pagination */
.table-pagination {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 20px;
    border-top: 1px solid var(--border);
}
.pagination-info { font-size: var(--text-xs); color: var(--text-muted); }
.pagination-controls { display: flex; gap: 4px; }
.page-btn {
    width: 30px; height: 30px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--text-xs);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}
.page-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.page-btn.active { background: var(--accent-blue); border-color: var(--accent-blue); color: #fff; }

/* ── Badges ── */
.badge {
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    display: inline-flex; align-items: center; gap: 5px;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.badge-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.badge.success { background: rgba(16,185,129,0.12); color: #34d399; border: 1px solid rgba(16,185,129,0.2); }
.badge.warning { background: rgba(245,158,11,0.12); color: #fbbf24; border: 1px solid rgba(245,158,11,0.2); }
.badge.danger  { background: rgba(239,68,68,0.12);  color: #f87171; border: 1px solid rgba(239,68,68,0.2); }
.badge.primary { background: rgba(59,130,246,0.12); color: #60a5fa; border: 1px solid rgba(59,130,246,0.2); }
.badge.purple  { background: rgba(139,92,246,0.12); color: #a78bfa; border: 1px solid rgba(139,92,246,0.2); }
.badge.cyan    { background: rgba(6,182,212,0.12);  color: #22d3ee; border: 1px solid rgba(6,182,212,0.2); }

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    letter-spacing: -0.01em;
    white-space: nowrap;
}
.btn i { font-size: 0.85rem; }
.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-indigo) 100%);
    color: #fff;
    box-shadow: 0 4px 14px var(--glow-blue);
}
.btn-primary:hover { box-shadow: 0 6px 20px var(--glow-blue); transform: translateY(-1px); }
.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: var(--border-light); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid transparent; }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border); }
.btn-danger { background: rgba(239,68,68,0.15); color: var(--accent-red); border: 1px solid rgba(239,68,68,0.2); }
.btn-danger:hover { background: rgba(239,68,68,0.25); }
.btn-sm { padding: 6px 12px; font-size: var(--text-xs); }
.btn-icon-only {
    width: 32px; height: 32px; padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-xs);
    color: var(--text-muted);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
    font-size: 0.85rem;
}
.btn-icon-only:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border); }
.btn-icon-only.danger:hover { color: var(--accent-red); border-color: rgba(239,68,68,0.3); background: rgba(239,68,68,0.08); }

/* ── Forms & Modals ── */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
    opacity: 0; pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 20px;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
    width: 100%; max-width: 520px; max-height: 90vh;
    overflow-y: auto;
    border-radius: var(--radius-lg);
    padding: 28px;
    transform: translateY(24px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.modal-title { font-size: 1.1rem; font-weight: 700; }
.modal-subtitle { font-size: var(--text-xs); color: var(--text-muted); margin-top: 3px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 16px; }
.form-group:last-child { margin-bottom: 0; }
label { display: block; font-size: var(--text-xs); font-weight: 600; color: var(--text-secondary); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.05em; }
.form-control {
    width: 100%;
    padding: 10px 13px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    appearance: none;
}
.form-control:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(59,130,246,0.12); }
.form-control::placeholder { color: var(--text-muted); }
.form-hint { font-size: 0.7rem; color: var(--text-muted); margin-top: 5px; }
.input-icon-wrap { position: relative; }
.input-icon-wrap .form-control { padding-left: 36px; }
.input-prefix-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 0.85rem; pointer-events: none; }

/* ── Progress Bar ── */
.progress-bar-wrap { background: rgba(255,255,255,0.06); border-radius: 20px; height: 6px; overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: 20px; transition: width 0.6s ease; }

/* ── Avatar ── */
.avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.72rem; font-weight: 700; color: #fff;
    flex-shrink: 0;
}

/* ── Activity Feed ── */
.activity-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.activity-item:last-child { border-bottom: none; }
.activity-icon { width: 34px; height: 34px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 0.85rem; flex-shrink: 0; margin-top: 2px; }
.activity-body { flex: 1; min-width: 0; }
.activity-title { font-size: var(--text-sm); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.activity-time { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

/* ── Mini Chart Bar ── */
.mini-bar-chart { display: flex; align-items: flex-end; gap: 4px; height: 40px; }
.mini-bar { flex: 1; border-radius: 3px 3px 0 0; min-height: 4px; transition: opacity 0.2s; }
.mini-bar:hover { opacity: 0.7; }

/* ── Tooltip ── */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%);
    background: rgba(15,23,42,0.95);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    font-size: 0.72rem;
    padding: 5px 10px;
    border-radius: var(--radius-xs);
    white-space: nowrap;
    opacity: 0; pointer-events: none;
    transition: opacity 0.2s;
    z-index: 100;
}
[data-tooltip]:hover::after { opacity: 1; }

/* ── Empty State ── */
.empty-state { padding: 48px 20px; text-align: center; color: var(--text-muted); }
.empty-state i { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.4; display: block; }
.empty-state p { font-size: var(--text-sm); }

/* ── Divider ── */
.divider { height: 1px; background: var(--border); margin: 0; }

/* ── Utility ── */
.text-muted  { color: var(--text-muted); }
.text-accent { color: var(--accent-blue); }
.font-mono   { font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: 0.85em; }
.fw-600      { font-weight: 600; }
.truncate    { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.flex        { display: flex; align-items: center; }
.gap-2       { gap: 8px; }
.gap-3       { gap: 12px; }
.ml-auto     { margin-left: auto; }