/* ============================================================
   JigyasaHub — Super Admin Panel CSS
   Premium dark theme
   ============================================================ */

:root {
    --sa-bg:         #0f1117;
    --sa-sidebar:    #0d0e1a;
    --sa-sidebar2:   #13152a;
    --sa-card:       #1a1d2e;
    --sa-border:     rgba(255,255,255,.07);
    --sa-text:       #e2e8f0;
    --sa-muted:      #8892a4;
    --sa-accent:     #6366f1;
    --sa-accent2:    #8b5cf6;
    --sa-gold:       #f59e0b;
    --sa-success:    #10b981;
    --sa-danger:     #ef4444;
    --sa-warning:    #f59e0b;
    --sa-info:       #3b82f6;
    --sa-radius:     12px;
    --sa-radius-sm:  8px;
    --sa-shadow:     0 4px 24px rgba(0,0,0,.4);
    --sa-transition: all .2s ease;
    --sidebar-w:     260px;
}

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

body.sa-body {
    font-family: 'Poppins', sans-serif;
    background: var(--sa-bg);
    color: var(--sa-text);
    min-height: 100vh;
    font-size: 14px;
}

/* ─── LAYOUT ──────────────────────────────────────────────── */
.sa-wrapper { display: flex; min-height: 100vh; }

/* ─── SIDEBAR ─────────────────────────────────────────────── */
.sa-sidebar {
    width: var(--sidebar-w);
    background: var(--sa-sidebar);
    border-right: 1px solid var(--sa-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--sa-transition);
}

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

.sa-logo-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    font-size: 9px;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 20px;
    letter-spacing: .5px;
    margin-bottom: 8px;
}

.sa-logo-name {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.sa-logo-sub { font-size: 11px; color: var(--sa-muted); margin-top: 2px; }

.sa-nav { padding: 16px 0; flex: 1; }

.sa-nav-section {
    font-size: 10px;
    font-weight: 700;
    color: var(--sa-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 12px 20px 6px;
}

.sa-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--sa-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    border-radius: 0;
    transition: var(--sa-transition);
    position: relative;
    border-left: 3px solid transparent;
}

.sa-nav-link i {
    width: 18px;
    text-align: center;
    font-size: 15px;
    flex-shrink: 0;
}

.sa-nav-link:hover {
    color: var(--sa-text);
    background: rgba(99,102,241,.08);
    border-left-color: rgba(99,102,241,.4);
}

.sa-nav-link.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(99,102,241,.25), rgba(99,102,241,.05));
    border-left-color: var(--sa-accent);
    font-weight: 600;
}

.sa-nav-link.active i { color: var(--sa-accent); }

.sa-sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--sa-border);
}

.sa-admin-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--sa-sidebar2);
    padding: 10px 14px;
    border-radius: var(--sa-radius-sm);
    margin-bottom: 12px;
}

.sa-admin-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sa-accent), var(--sa-accent2));
    display: flex;align-items: center; justify-content: center;
    font-weight: 700;font-size: 14px; color: #fff;
    flex-shrink: 0;
}

.sa-admin-info .name { font-size: 13px; font-weight: 600; color: var(--sa-text); }
.sa-admin-info .role { font-size: 10px; color: var(--sa-gold); font-weight: 700; letter-spacing: .5px; }

/* ─── MAIN CONTENT ────────────────────────────────────────── */
.sa-main {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ─── TOP BAR ─────────────────────────────────────────────── */
.sa-topbar {
    background: var(--sa-card);
    border-bottom: 1px solid var(--sa-border);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 900;
}

.sa-topbar-left { display: flex; align-items: center; gap: 16px; }
.sa-page-title { font-size: 16px; font-weight: 700; color: var(--sa-text); }
.sa-breadcrumb { font-size: 12px; color: var(--sa-muted); }
.sa-breadcrumb a { color: var(--sa-accent); text-decoration: none; }

.sa-topbar-right { display: flex; align-items: center; gap: 16px; }

.sa-topbar-btn {
    width: 36px; height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,.05);
    border: 1px solid var(--sa-border);
    color: var(--sa-muted);
    display: flex;align-items: center;justify-content: center;
    cursor: pointer;
    font-size: 15px;
    transition: var(--sa-transition);
    text-decoration: none;
    position: relative;
}

.sa-topbar-btn:hover { background: rgba(99,102,241,.15); color: var(--sa-accent); border-color: var(--sa-accent); }

.sa-notif-badge {
    position: absolute;
    top: -4px; right: -4px;
    width: 16px; height: 16px;
    background: var(--sa-danger);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}

/* ─── CONTENT AREA ────────────────────────────────────────── */
.sa-content { padding: 28px; flex: 1; }

/* ─── CARDS ───────────────────────────────────────────────── */
.sa-card {
    background: var(--sa-card);
    border: 1px solid var(--sa-border);
    border-radius: var(--sa-radius);
    padding: 24px;
}

.sa-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--sa-border);
}

.sa-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--sa-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sa-card-title i { color: var(--sa-accent); }

/* ─── STAT CARDS ──────────────────────────────────────────── */
.sa-stat-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 24px; }

@media (max-width: 1200px) { .sa-stat-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px)  { .sa-stat-grid { grid-template-columns: 1fr; } }

.sa-stat {
    background: var(--sa-card);
    border: 1px solid var(--sa-border);
    border-radius: var(--sa-radius);
    padding: 20px 22px;
    position: relative;
    overflow: hidden;
    transition: var(--sa-transition);
}

.sa-stat:hover { border-color: rgba(99,102,241,.3); transform: translateY(-2px); }

.sa-stat::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: var(--sa-radius) var(--sa-radius) 0 0;
}

.sa-stat.purple::before { background: linear-gradient(90deg, var(--sa-accent), var(--sa-accent2)); }
.sa-stat.green::before  { background: linear-gradient(90deg, var(--sa-success), #34d399); }
.sa-stat.gold::before   { background: linear-gradient(90deg, var(--sa-gold), #fbbf24); }
.sa-stat.blue::before   { background: linear-gradient(90deg, var(--sa-info), #60a5fa); }
.sa-stat.red::before    { background: linear-gradient(90deg, var(--sa-danger), #f87171); }

.sa-stat-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    margin-bottom: 12px;
}

.sa-stat.purple .sa-stat-icon { background: rgba(99,102,241,.15); color: var(--sa-accent); }
.sa-stat.green  .sa-stat-icon { background: rgba(16,185,129,.15); color: var(--sa-success); }
.sa-stat.gold   .sa-stat-icon { background: rgba(245,158,11,.15); color: var(--sa-gold); }
.sa-stat.blue   .sa-stat-icon { background: rgba(59,130,246,.15); color: var(--sa-info); }
.sa-stat.red    .sa-stat-icon { background: rgba(239,68,68,.15);  color: var(--sa-danger); }

.sa-stat-value { font-size: 26px; font-weight: 800; color: var(--sa-text); line-height: 1; margin-bottom: 4px; }
.sa-stat-label { font-size: 12px; color: var(--sa-muted); font-weight: 500; }
.sa-stat-change { font-size: 11px; margin-top: 6px; display: flex; align-items: center; gap: 4px; }
.sa-stat-change.up   { color: var(--sa-success); }
.sa-stat-change.down { color: var(--sa-danger); }

/* ─── TABLES ──────────────────────────────────────────────── */
.sa-table-wrap { overflow-x: auto; }

.sa-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.sa-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 700;
    color: var(--sa-muted);
    letter-spacing: .5px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--sa-border);
    white-space: nowrap;
}

.sa-table td {
    padding: 12px 14px;
    color: var(--sa-text);
    border-bottom: 1px solid rgba(255,255,255,.04);
}

.sa-table tr:hover td { background: rgba(255,255,255,.02); }
.sa-table tr:last-child td { border-bottom: none; }

/* ─── BADGES ──────────────────────────────────────────────── */
.sa-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    gap: 4px;
}

.sa-badge.green  { background: rgba(16,185,129,.15); color: #34d399; }
.sa-badge.red    { background: rgba(239,68,68,.15);  color: #f87171; }
.sa-badge.yellow { background: rgba(245,158,11,.15); color: #fbbf24; }
.sa-badge.blue   { background: rgba(59,130,246,.15); color: #60a5fa; }
.sa-badge.purple { background: rgba(99,102,241,.15); color: #818cf8; }
.sa-badge.gray   { background: rgba(255,255,255,.07); color: var(--sa-muted); }

/* ─── BUTTONS ─────────────────────────────────────────────── */
.sa-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 18px;
    border-radius: var(--sa-radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--sa-transition);
    text-decoration: none;
    font-family: inherit;
    white-space: nowrap;
}

.sa-btn-primary { background: linear-gradient(135deg, var(--sa-accent), var(--sa-accent2)); color: #fff; }
.sa-btn-primary:hover { opacity: .9; color: #fff; transform: translateY(-1px); }

.sa-btn-outline {
    background: transparent;
    border: 1px solid var(--sa-border);
    color: var(--sa-muted);
}
.sa-btn-outline:hover { border-color: var(--sa-accent); color: var(--sa-accent); background: rgba(99,102,241,.08); }

.sa-btn-danger { background: rgba(239,68,68,.15); color: #f87171; border: 1px solid rgba(239,68,68,.2); }
.sa-btn-danger:hover { background: rgba(239,68,68,.25); }

.sa-btn-success { background: rgba(16,185,129,.15); color: #34d399; border: 1px solid rgba(16,185,129,.2); }
.sa-btn-success:hover { background: rgba(16,185,129,.25); }

.sa-btn-sm { padding: 5px 12px; font-size: 12px; }
.sa-btn-xs { padding: 3px 8px; font-size: 11px; border-radius: 6px; }

/* ─── FORM CONTROLS ───────────────────────────────────────── */
.sa-form-group { margin-bottom: 18px; }
.sa-label { display: block; font-size: 12px; font-weight: 600; color: var(--sa-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .5px; }

.sa-input, .sa-select, .sa-textarea {
    width: 100%;
    background: rgba(255,255,255,.05);
    border: 1px solid var(--sa-border);
    border-radius: var(--sa-radius-sm);
    padding: 10px 14px;
    color: var(--sa-text);
    font-size: 14px;
    font-family: inherit;
    transition: var(--sa-transition);
    outline: none;
}

.sa-input:focus, .sa-select:focus, .sa-textarea:focus {
    border-color: var(--sa-accent);
    background: rgba(99,102,241,.06);
    box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}

.sa-input::placeholder { color: var(--sa-muted); }
.sa-select option { background: var(--sa-card); color: var(--sa-text); }
.sa-textarea { resize: vertical; min-height: 100px; }

/* ─── SECTION DIVIDER ─────────────────────────────────────── */
.sa-section-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--sa-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sa-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--sa-border);
}

/* ─── ALERT ───────────────────────────────────────────────── */
.sa-alert {
    padding: 12px 16px;
    border-radius: var(--sa-radius-sm);
    font-size: 13px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
}

.sa-alert.success { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.2); color: #34d399; }
.sa-alert.error   { background: rgba(239,68,68,.1);  border: 1px solid rgba(239,68,68,.2);  color: #f87171; }
.sa-alert.info    { background: rgba(59,130,246,.1);  border: 1px solid rgba(59,130,246,.2);  color: #60a5fa; }
.sa-alert.warning { background: rgba(245,158,11,.1); border: 1px solid rgba(245,158,11,.2); color: #fbbf24; }

/* ─── LOGIN PAGE ──────────────────────────────────────────── */
.sa-login-page {
    min-height: 100vh;
    background: var(--sa-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.sa-login-page::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99,102,241,.15) 0%, transparent 70%);
    top: -200px; right: -100px;
    pointer-events: none;
}

.sa-login-page::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168,85,247,.1) 0%, transparent 70%);
    bottom: -100px; left: -100px;
    pointer-events: none;
}

.sa-login-box {
    background: var(--sa-card);
    border: 1px solid var(--sa-border);
    border-radius: 20px;
    padding: 48px 44px;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 60px rgba(0,0,0,.5);
}

/* ─── CHART CONTAINER ─────────────────────────────────────── */
.sa-chart-box {
    position: relative;
    height: 200px;
}

/* ─── ACTIVITY FEED ───────────────────────────────────────── */
.sa-activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--sa-border);
}

.sa-activity-item:last-child { border-bottom: none; }

.sa-activity-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    margin-top: 5px;
    flex-shrink: 0;
}

.sa-activity-text { font-size: 13px; color: var(--sa-text); line-height: 1.5; }
.sa-activity-time { font-size: 11px; color: var(--sa-muted); margin-top: 2px; }

/* ─── TOGGLE SWITCH ───────────────────────────────────────── */
.sa-toggle { position: relative; display: inline-block; width: 44px; height: 24px; }
.sa-toggle input { opacity: 0; width: 0; height: 0; }
.sa-toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(255,255,255,.1);
    border-radius: 24px;
    transition: .3s;
    border: 1px solid var(--sa-border);
}
.sa-toggle-slider:before {
    content: '';
    position: absolute;
    height: 16px; width: 16px;
    left: 3px; bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: .3s;
}
.sa-toggle input:checked + .sa-toggle-slider { background: var(--sa-accent); border-color: var(--sa-accent); }
.sa-toggle input:checked + .sa-toggle-slider:before { transform: translateX(20px); }

/* ─── PROGRESS BAR ────────────────────────────────────────── */
.sa-progress { background: rgba(255,255,255,.08); border-radius: 4px; height: 6px; overflow: hidden; }
.sa-progress-bar {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--sa-accent), var(--sa-accent2));
    transition: width .6s ease;
}

/* ─── MODAL ───────────────────────────────────────────────── */
.sa-modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.7);
    z-index: 2000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity .2s;
}

.sa-modal-overlay.open { opacity: 1; pointer-events: all; }

.sa-modal {
    background: var(--sa-card);
    border: 1px solid var(--sa-border);
    border-radius: 20px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform .2s;
    box-shadow: var(--sa-shadow);
}

.sa-modal-overlay.open .sa-modal { transform: translateY(0); }
.sa-modal-header { padding: 20px 24px; border-bottom: 1px solid var(--sa-border); display: flex; align-items: center; justify-content: space-between; }
.sa-modal-title { font-size: 16px; font-weight: 700; }
.sa-modal-body  { padding: 24px; }
.sa-modal-footer { padding: 16px 24px; border-top: 1px solid var(--sa-border); display: flex; gap: 10px; justify-content: flex-end; }

/* ─── UTILITIES ───────────────────────────────────────────── */
.sa-row { display: flex; gap: 20px; flex-wrap: wrap; }
.sa-col-6 { flex: 0 0 calc(50% - 10px); min-width: 280px; }
.sa-col-4 { flex: 0 0 calc(33.33% - 14px); min-width: 240px; }
.sa-col-8 { flex: 0 0 calc(66.67% - 6px); }
.sa-col-12 { flex: 0 0 100%; }

.sa-grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.sa-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.sa-grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }

@media (max-width: 900px) {
    .sa-grid-4 { grid-template-columns: repeat(2,1fr); }
    .sa-grid-3 { grid-template-columns: repeat(2,1fr); }
    .sa-col-6, .sa-col-4, .sa-col-8 { flex: 0 0 100%; }
}

@media (max-width: 600px) {
    .sa-grid-2, .sa-grid-3, .sa-grid-4 { grid-template-columns: 1fr; }
    .sa-main { margin-left: 0; }
    .sa-sidebar { transform: translateX(-100%); }
    .sa-sidebar.open { transform: translateX(0); }
    .sa-content { padding: 16px; }
}

/* Scrollbar */
.sa-sidebar::-webkit-scrollbar { width: 4px; }
.sa-sidebar::-webkit-scrollbar-track { background: transparent; }
.sa-sidebar::-webkit-scrollbar-thumb { background: var(--sa-border); border-radius: 2px; }

/* Link reset */
.sa-main a { color: inherit; }

/* Code */
.sa-code { font-family: monospace; font-size: 12px; background: rgba(255,255,255,.06); padding: 2px 6px; border-radius: 4px; color: #a5b4fc; }

/* Tab Nav */
.sa-tabs { display: flex; gap: 4px; background: rgba(255,255,255,.04); padding: 4px; border-radius: 10px; margin-bottom: 20px; }
.sa-tab { flex: 1; text-align: center; padding: 8px 16px; border-radius: 7px; font-size: 13px; font-weight: 600; cursor: pointer; transition: var(--sa-transition); color: var(--sa-muted); border: none; background: transparent; font-family: inherit; }
.sa-tab.active { background: var(--sa-accent); color: #fff; }

/* Mini Chart Bars (CSS only) */
.sa-bar-chart { display: flex; align-items: flex-end; gap: 3px; height: 60px; }
.sa-bar { flex: 1; background: linear-gradient(to top, var(--sa-accent), var(--sa-accent2)); border-radius: 3px 3px 0 0; transition: height .5s ease; min-height: 4px; }
.sa-bar:hover { opacity: .8; }