/* 🎨 IMPORT DEDICATED DESIGN SYSTEM COLOR TOKENS */
html {
    background: var(--theme-bg-main);
    color-scheme: light;
}

html.dark {
    color-scheme: dark;
}

body {
    background:
        radial-gradient(circle at 12% 8%, rgba(var(--color-primary-rgb), 0.08), transparent 28rem),
        radial-gradient(circle at 88% 2%, rgba(var(--color-accent-rgb), 0.07), transparent 26rem),
        var(--theme-bg-main);
    color: var(--theme-text-main);
}

::selection {
    background: rgba(var(--color-primary-rgb), 0.25);
    color: var(--theme-text-main);
}

/* Custom Scrollbar using Design Tokens */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: rgba(var(--color-bg-main-rgb), 0.6);
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(var(--color-border-rgb), 0.8);
    border-radius: 9999px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--color-primary-rgb), 0.8);
}

/* Glassmorphism Panel using Design Tokens */
.glass-panel {
    background: rgba(var(--color-bg-surface-rgb), 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(var(--color-border-rgb), 0.5);
}

.admin-shell {
    position: relative;
    isolation: isolate;
}

.admin-main {
    width: 100%;
    max-width: 96rem;
    margin-inline: auto;
    padding: 1.25rem;
}

.admin-page {
    display: grid;
    gap: 1.5rem;
}

.admin-panel {
    background: rgba(var(--color-bg-surface-rgb), 0.88);
    border: 1px solid rgba(var(--color-border-rgb), 0.82);
    border-radius: 1.25rem;
    box-shadow: var(--theme-shadow-soft);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.admin-panel-subtle {
    background: rgba(var(--color-bg-main-rgb), 0.56);
    border: 1px solid rgba(var(--color-border-rgb), 0.7);
    border-radius: 1rem;
}

.admin-page-heading {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.375rem;
    overflow: hidden;
    position: relative;
}

.admin-page-heading::after {
    content: '';
    position: absolute;
    inset: auto -2rem -4rem auto;
    width: 10rem;
    height: 10rem;
    border-radius: 9999px;
    background: rgba(var(--color-primary-rgb), 0.1);
    filter: blur(8px);
    pointer-events: none;
}

.admin-eyebrow {
    color: var(--theme-primary);
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.admin-title {
    margin-top: 0.2rem;
    color: var(--theme-text-main);
    font-size: clamp(1.15rem, 2vw, 1.65rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.admin-description {
    margin-top: 0.25rem;
    color: var(--theme-text-muted);
    font-size: 0.78rem;
    line-height: 1.6;
}

.admin-tabs {
    display: flex;
    gap: 0.35rem;
    overflow-x: auto;
    padding: 0.35rem;
    background: rgba(var(--color-bg-surface-rgb), 0.72);
    border: 1px solid rgba(var(--color-border-rgb), 0.72);
    border-radius: 0.95rem;
}

.admin-tab {
    flex: 0 0 auto;
    padding: 0.6rem 0.85rem;
    border-radius: 0.7rem;
    color: var(--theme-text-muted);
    font-size: 0.72rem;
    font-weight: 700;
    transition: 160ms ease;
}

.admin-tab:hover,
.admin-tab.is-active {
    background: rgba(var(--color-primary-rgb), 0.11);
    color: var(--theme-primary);
}

.admin-input,
.admin-select,
.admin-textarea {
    width: 100%;
    border: 1px solid var(--theme-border);
    border-radius: 0.75rem;
    background: var(--theme-bg-muted);
    color: var(--theme-text-main);
    font-size: 0.75rem;
    transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.admin-input,
.admin-select {
    min-height: 2.5rem;
    padding: 0.6rem 0.85rem;
}

.admin-textarea {
    padding: 0.75rem 0.85rem;
}

.admin-input:focus,
.admin-select:focus,
.admin-textarea:focus {
    outline: none;
    border-color: var(--theme-primary);
    background: var(--theme-bg-surface);
    box-shadow: 0 0 0 4px var(--theme-focus-ring);
}

.admin-button {
    display: inline-flex;
    min-height: 2.5rem;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.62rem 1rem;
    border-radius: 0.75rem;
    background: var(--theme-primary);
    color: var(--theme-on-primary);
    font-size: 0.72rem;
    font-weight: 800;
    box-shadow: 0 10px 24px rgba(var(--color-primary-rgb), 0.2);
    transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.admin-button:hover {
    background: var(--theme-primary-hover);
    box-shadow: 0 14px 28px rgba(var(--color-primary-rgb), 0.28);
    transform: translateY(-1px);
}

.admin-button-danger {
    background: var(--theme-danger);
    color: var(--theme-on-danger);
}

.admin-button-danger:hover {
    background: var(--theme-danger-hover);
}

.admin-icon-button {
    display: inline-flex;
    width: 2.25rem;
    height: 2.25rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--theme-border);
    border-radius: 0.7rem;
    background: var(--theme-bg-surface);
    color: var(--theme-text-muted);
    transition: 160ms ease;
}

.admin-icon-button:hover {
    border-color: rgba(var(--color-primary-rgb), 0.42);
    color: var(--theme-primary);
    transform: translateY(-1px);
}

.admin-table thead {
    background: rgba(var(--color-bg-main-rgb), 0.64);
}

.admin-table th {
    color: var(--theme-text-muted);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.admin-table tbody tr {
    transition: background 160ms ease;
}

.admin-table tbody tr:hover {
    background: rgba(var(--color-primary-rgb), 0.045);
}

.admin-notice {
    background: var(--theme-info-soft);
    border: 1px solid rgba(var(--color-info-rgb), 0.24);
    color: var(--theme-text-main);
}

.admin-header {
    background: rgba(var(--color-bg-surface-rgb), 0.78);
    border-color: rgba(var(--color-border-rgb), 0.76);
    box-shadow: 0 8px 30px rgba(var(--color-bg-main-rgb), 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.admin-sidebar {
    background:
        linear-gradient(180deg, rgba(var(--color-primary-rgb), 0.055), transparent 14rem),
        var(--theme-bg-surface);
    border-color: var(--theme-border);
    box-shadow: 18px 0 50px rgba(var(--color-bg-main-rgb), 0.08);
}

.admin-panel input:not([type='checkbox']):not([type='radio']):not([type='hidden']),
.admin-panel select,
.admin-panel textarea,
.admin-panel-subtle input:not([type='checkbox']):not([type='radio']):not([type='hidden']),
.admin-panel-subtle select,
.admin-panel-subtle textarea {
    border-color: var(--theme-border);
    background-color: var(--theme-bg-muted);
    color: var(--theme-text-main);
}

.admin-panel input:not([type='checkbox']):not([type='radio']):not([type='hidden']):focus,
.admin-panel select:focus,
.admin-panel textarea:focus,
.admin-panel-subtle input:not([type='checkbox']):not([type='radio']):not([type='hidden']):focus,
.admin-panel-subtle select:focus,
.admin-panel-subtle textarea:focus {
    outline: none;
    border-color: var(--theme-primary);
    box-shadow: 0 0 0 4px var(--theme-focus-ring);
}

/* Active Nav Link Styling */
.nav-item.active {
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.25) 0%, rgba(var(--color-accent-rgb), 0.15) 100%);
    border: 1px solid rgba(var(--color-primary-rgb), 0.4);
    color: var(--color-text-main);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.15);
}

/* Stat Cards Hover & Shadows using Design Tokens */
.stat-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card:hover {
    box-shadow: var(--theme-shadow-float);
}

/* Category Accent Utility Classes */
.card-imei { border-color: rgba(var(--color-imei-rgb), 0.3); }
.card-imei:hover { border-color: rgba(var(--color-imei-rgb), 0.6); }

.card-server { border-color: rgba(var(--color-server-rgb), 0.3); }
.card-server:hover { border-color: rgba(var(--color-server-rgb), 0.6); }

.card-remote { border-color: rgba(var(--color-remote-rgb), 0.3); }
.card-remote:hover { border-color: rgba(var(--color-remote-rgb), 0.6); }

.card-shop { border-color: rgba(var(--color-shop-rgb), 0.3); }
.card-shop:hover { border-color: rgba(var(--color-shop-rgb), 0.6); }

/* Floating Debug Bar using Design Tokens */
.debug-bar-panel {
    background-color: rgba(var(--color-bg-main-rgb), 0.95);
    color: var(--color-accent);
    border: 1px solid rgba(var(--color-border-rgb), 0.8);
    backdrop-filter: blur(12px);
}

@media (min-width: 768px) {
    .admin-main {
        padding: 1.75rem;
    }
}