/* =========================================
   ELVIX ADMIN PANEL - LIGHT THEME (FINAL)
   ========================================= */

/* ---------- GLOBAL ---------- */

:root {
    --admin-bg: #f3f4f6;
    --admin-surface: #ffffff;
    --admin-border-subtle: #e5e7eb;
    --admin-border-strong: #d1d5db;
    --admin-text: #111827;
    --admin-muted: #6b7280;
    --admin-accent: #6366f1;
    --admin-accent-soft: rgba(99,102,241,0.08);
    --admin-danger: #ef4444;
    --admin-success: #22c55e;
    --admin-info: #3b82f6;
    --admin-radius-lg: 18px;
    --admin-radius-md: 12px;
    --admin-shadow-soft: 0 18px 40px rgba(15,23,42,0.08);
}

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

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ---------- LAYOUT ---------- */

.admin-shell {
    min-height: 100vh;
    display: flex;
    background: radial-gradient(circle at top left, #e5e7eb 0, #f3f4f6 40%, #e5e7eb 100%);
    overflow-x: hidden;
}

/* ---------- SIDEBAR ---------- */

.admin-sidebar {
    width: 260px;
    background: var(--admin-surface);
    border-right: 1px solid var(--admin-border-subtle);
    display: flex;
    flex-direction: column;
    padding: 18px 18px 16px;
    z-index: 1000;
}

.admin-logo-box {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.admin-logo-badge {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 20%, #22c55e 0, #22c55e 35%, #16a34a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: #f9fafb;
}

.admin-logo-text-main {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.03em;
}

.admin-logo-text-sub {
    font-size: 11px;
    color: var(--admin-muted);
}

.admin-nav {
    flex: 1;
    margin-top: 6px;
    overflow-y: auto;
}

.admin-nav-group {
    margin-bottom: 16px;
}

.admin-nav-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--admin-muted);
    margin-bottom: 6px;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    padding: 7px 10px;
    border-radius: 999px;
    color: #4b5563;
    margin-bottom: 3px;
    transition: background 0.16s ease, color 0.16s ease, transform 0.12s ease, box-shadow 0.16s ease;
}

.admin-nav-link span.icon {
    width: 18px;
    text-align: center;
}

.admin-nav-link:hover {
    background: #eef2ff;
    color: #111827;
    transform: translateX(1px);
}

.admin-nav-link.active {
    background: linear-gradient(90deg, #4f46e5 0, #6366f1 45%, #8b5cf6 100%);
    color: #f9fafb;
    box-shadow: 0 8px 20px rgba(79,70,229,0.25);
}

.admin-sidebar-footer {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--admin-border-subtle);
    font-size: 11px;
    color: var(--admin-muted);
}

.admin-sidebar-footer a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.admin-sidebar-footer a:hover {
    color: var(--admin-accent);
}

/* ---------- MAIN AREA ---------- */

.admin-main {
    flex: 1;
    padding: 20px 26px 26px;
    background: radial-gradient(circle at top right, #e5e7eb 0, #f9fafb 60%, #e5e7eb 100%);
    display: flex;
    flex-direction: column;
}

.admin-main-inner {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 40px);
}

.admin-topbar-row {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--admin-muted);
    margin-bottom: 12px;
}

.admin-topbar-row a {
    color: var(--admin-muted);
}

.admin-topbar-row a:hover {
    color: var(--admin-accent);
}

.admin-topbar-chip {
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--admin-accent-soft);
    color: var(--admin-accent);
    font-size: 11px;
    font-weight: 500;
}

.admin-content {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* PAGE HEADER */

.admin-page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 4px;
}

.admin-page-header h1 {
    margin: 0;
    font-size: 22px;
    letter-spacing: -0.02em;
}

.admin-breadcrumb {
    font-size: 12px;
    color: var(--admin-muted);
    margin-top: 4px;
}

/* ---------- CARDS & GRID ---------- */

.admin-card {
    background: var(--admin-surface);
    border-radius: var(--admin-radius-lg);
    border: 1px solid var(--admin-border-subtle);
    box-shadow: var(--admin-shadow-soft);
    padding: 16px 18px;
}

/* Stats grid */

.admin-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 12px;
}

.admin-stat-card {
    padding: 12px 13px;
    border-radius: var(--admin-radius-md);
    background: #ffffff;
    border: 1px solid var(--admin-border-subtle);
}

.admin-stat-label {
    font-size: 11px;
    color: var(--admin-muted);
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.admin-stat-value {
    font-size: 18px;
    font-weight: 600;
}

.admin-stat-meta {
    font-size: 11px;
    color: var(--admin-muted);
    margin-top: 3px;
}

/* colored variants */

.admin-stat-card.blue {
    border-left: 4px solid #3b82f6;
}

.admin-stat-card.blue .admin-stat-value {
    color: #1d4ed8;
}

.admin-stat-card.red {
    border-left: 4px solid #ef4444;
}

.admin-stat-card.red .admin-stat-value {
    color: #b91c1c;
}

.admin-stat-card.green {
    border-left: 4px solid #22c55e;
}

.admin-stat-card.green .admin-stat-value {
    color: #15803d;
}

/* Two-column layout */

.admin-two-cols {
    display: grid;
    grid-template-columns: minmax(0,1.6fr) minmax(0,1fr);
    gap: 14px;
}

/* ---------- TAGS & BADGES ---------- */

.admin-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    border: 1px solid var(--admin-border-subtle);
    background: #f9fafb;
    color: var(--admin-muted);
}

.admin-tag.success {
    border-color: rgba(34,197,94,0.35);
    background: rgba(22,163,74,0.06);
    color: #15803d;
}

.admin-tag.danger {
    border-color: rgba(248,113,113,0.5);
    background: rgba(248,113,113,0.06);
    color: #b91c1c;
}

.admin-tag.info {
    border-color: rgba(59,130,246,0.4);
    background: rgba(59,130,246,0.06);
    color: #1d4ed8;
}

/* ---------- BUTTONS ---------- */

.btn-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 999px;
    border: 1px solid var(--admin-border-subtle);
    background: #ffffff;
    color: #111827;
    text-decoration: none;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease, border-color 0.15s ease;
}

.btn-small:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(15,23,42,0.10);
    background: #f3f4f6;
}

.btn-small.primary {
    background: linear-gradient(135deg, #4f46e5 0, #6366f1 45%, #ec4899 100%);
    color: #f9fafb;
    border-color: transparent;
    box-shadow: 0 10px 25px rgba(79,70,229,0.35);
}

.btn-small.primary:hover {
    box-shadow: 0 14px 30px rgba(79,70,229,0.45);
}

.btn-small.danger {
    background: #fee2e2;
    color: #b91c1c;
    border-color: #fecaca;
}

/* ---------- TABLES ---------- */

.admin-table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    background: #ffffff;
}

.admin-table th,
.admin-table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--admin-border-subtle);
    text-align: left;
    white-space: nowrap;
}

.admin-table thead th {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--admin-muted);
    background: #f9fafb;
}

.admin-table tbody tr:hover td {
    background: #f9fafb;
}

.admin-empty-state {
    text-align: center;
    font-size: 13px;
    color: var(--admin-muted);
    padding: 18px 0;
}

/* ---------- FOOTER ---------- */

.admin-footer {
    margin-top: 18px;
    font-size: 11px;
    color: var(--admin-muted);
    text-align: right;
    padding-top: 10px;
    border-top: 1px solid var(--admin-border-subtle);
    background: transparent;
}

/* ---------- MOBILE SIDEBAR & HAMBURGER ---------- */

.admin-mobile-toggle {
    display: none;
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 3000;
    background: #111827;
    color: #ffffff;
    font-size: 22px;
    padding: 8px 12px;
    border: none;
    border-radius: 8px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.25);
    cursor: pointer;
}

#admin-sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 900;
    display: none;
}

#admin-sidebar-overlay.open {
    display: block;
}

/* MOBILE BEHAVIOUR */
@media (max-width: 900px) {
    .admin-mobile-toggle {
        display: block;
    }

    .admin-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        width: 240px;
        background: #ffffff;
        border-right: 1px solid #e5e7eb;
        transform: translateX(-260px);
        transition: transform 0.25s ease;
    }

    .admin-sidebar.open {
        transform: translateX(0);
    }

    .admin-main {
        padding: 16px;
    }

    .admin-main-inner {
        max-width: 100%;
    }

    .admin-page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Stats grid responsive */
@media (max-width: 650px) {
    .admin-stat-grid {
        grid-template-columns: 1fr;
    }
}

/* Two-column -> stacked */
@media (max-width: 850px) {
    .admin-two-cols {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

/* Avoid horizontal overflow */
body,
.admin-main,
.admin-main-inner,
.admin-card {
    max-width: 100%;
    overflow-x: hidden;
}