:root {
    --color-primary: #1F74FF;
    --color-accent: #DC143C;
    --color-success: #00C853;
    --color-warning: #FFD700;
    --color-text: #1A1A1A;
    --color-background: #FFFFFF;
    --color-surface: #F8F9FA;
    --color-border: color-mix(in oklab, var(--color-text) 12%, transparent);
    --sidebar-bg: color-mix(in oklab, #0b1022 82%, transparent);
    --sidebar-border: rgba(255, 255, 255, 0.08);
    --sidebar-link: rgba(255, 255, 255, 0.82);
    --sidebar-link-hover: #FFFFFF;
    --sidebar-icon-surface: rgba(255, 255, 255, 0.08);
    --sidebar-icon-color: #C7D2FE;
    --sidebar-icon-color-active: #FFFFFF;
    --sidebar-icon-glow: rgba(94, 106, 216, 0.35);
    --shadow-soft: 0 14px 40px rgba(0, 0, 0, .12);
    --transition-base: background-color .25s ease, color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.dark-theme {
    --color-primary: #1F74FF;
    --color-accent: #E51E2A;
    --color-success: #00C853;
    --color-warning: #FFD700;
    --color-text: #ECEFF4;
    --color-background: #060816;
    --color-surface: rgba(15, 21, 45, 0.9);
    --color-border: rgba(255, 255, 255, 0.12);
    --sidebar-bg: color-mix(in oklab, #05070f 90%, transparent);
    --sidebar-border: rgba(255, 255, 255, 0.08);
    --sidebar-link: rgba(234, 244, 255, 0.9);
    --sidebar-link-hover: #FFFFFF;
    --sidebar-icon-surface: rgba(255, 255, 255, 0.08);
    --sidebar-icon-color: #BFD1FF;
    --sidebar-icon-color-active: #FFFFFF;
    --sidebar-icon-glow: rgba(165, 180, 252, 0.4);
    --shadow-soft: 0 16px 48px rgba(0, 0, 0, 0.45);
}

.light-theme {
    --color-primary: #1F74FF;
    --color-accent: #DC143C;
    --color-success: #00C853;
    --color-warning: #D97706;
    --color-text: #0F172A;
    --color-background: #F8FAFF;
    --color-surface: #FFFFFF;
    --color-border: rgba(15, 23, 42, 0.08);
    --sidebar-bg: rgba(248, 250, 255, 0.95);
    --sidebar-border: rgba(15, 23, 42, 0.08);
    --sidebar-link: rgba(15, 23, 42, 0.78);
    --sidebar-link-hover: #0F172A;
    --sidebar-icon-surface: rgba(79, 70, 229, 0.12);
    --sidebar-icon-color: #1F2A44;
    --sidebar-icon-color-active: #FFFFFF;
    --sidebar-icon-glow: rgba(31, 116, 255, 0.18);
}

html, body, [data-theme-transition] {
    transition: var(--transition-base);
}

body[data-admin-theme="light"] {
    background: var(--color-background);
    color: var(--color-text);
}

body[data-admin-theme="dark"] {
    background: #050611;
    color: #E8ECFF;
}

.admin-shell {
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(31, 116, 255, 0.08), transparent 60%),
        var(--color-background);
}

.admin-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.admin-sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: var(--transition-base);
    position: relative;
    z-index: 40;
}

.admin-sidebar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 45%);
    pointer-events: none;
}

.sidebar-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-brand-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.sidebar-brand-logo img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 12px 26px rgba(0,0,0,0.35));
}

.sidebar-brand-logo span {
    font-size: 0.85rem;
    letter-spacing: 0.12em;
}

.sidebar-toggle {
    width: 44px;
    height: 44px;
    border-radius: 15px;
    border: 1px solid var(--sidebar-border);
    background: var(--sidebar-icon-surface);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: var(--transition-base);
}

.sidebar-toggle span,
.sidebar-toggle span::before,
.sidebar-toggle span::after {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
    content: '';
    border-radius: 999px;
    position: relative;
}

.sidebar-toggle span::before {
    position: absolute;
    top: -6px;
}

.sidebar-toggle span::after {
    position: absolute;
    top: 6px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.sidebar-section-label {
    margin-top: 1.2rem;
    margin-bottom: 0.4rem;
    padding-inline: 0.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: rgba(255, 255, 255, 0.45);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.sidebar-section-label::before {
    content: '';
    width: 16px;
    height: 1px;
    background: linear-gradient(90deg, rgba(255,255,255,0.4), transparent);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.65rem 0.95rem;
    border-radius: 14px;
    color: var(--sidebar-link);
    font-weight: 600;
    transition: var(--transition-base);
    position: relative;
}

.sidebar-link .sidebar-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--sidebar-icon-surface);
    box-shadow: 0 6px 16px color-mix(in oklab, var(--sidebar-icon-glow) 45%, transparent);
    color: var(--sidebar-icon-color);
    transition: var(--transition-base);
}

.sidebar-link .sidebar-icon svg {
    width: 20px;
    height: 20px;
    opacity: 0.95;
    stroke: currentColor;
    fill: currentColor;
}

.sidebar-link.is-active,
.sidebar-link:hover {
    background: linear-gradient(120deg, color-mix(in oklab, var(--color-primary) 18%, transparent), color-mix(in oklab, var(--color-primary) 5%, transparent));
    color: var(--sidebar-link-hover);
}

.sidebar-link.is-active .sidebar-icon,
.sidebar-link:hover .sidebar-icon {
    background: linear-gradient(135deg, rgba(255,255,255,0.18), color-mix(in oklab, var(--color-primary) 55%, transparent));
    box-shadow: 0 8px 16px color-mix(in oklab, var(--color-primary) 55%, transparent);
    color: var(--sidebar-icon-color-active);
}

.sidebar-link.is-active::after {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    border: 1px solid color-mix(in oklab, var(--color-primary) 45%, transparent);
    opacity: 0.35;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-link.sidebar-logout {
    margin-top: 0.5rem;
    background: linear-gradient(135deg, #ff1744, #ff5252);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 28px rgba(255, 23, 68, 0.35);
}

.sidebar-link.sidebar-logout .sidebar-icon {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    box-shadow: none;
}

.sidebar-link.sidebar-logout:hover {
    background: linear-gradient(135deg, #ff2968, #ff1744);
    transform: translateY(-1px);
}

.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    background: color-mix(in oklab, var(--color-background) 92%, transparent);
    border-bottom: 1px solid color-mix(in oklab, var(--color-border) 75%, transparent);
    padding: 1rem 1.75rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    backdrop-filter: blur(12px);
}

.topbar-heading h1 {
    font-size: 1.5rem;
    font-weight: 800;
}

.topbar-heading p {
    font-size: 0.9rem;
    opacity: 0.65;
}

.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-content {
    padding: 2rem clamp(1rem, 4vw, 2.5rem);
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.admin-content section {
    width: 100%;
}

.admin-shell[data-sidebar-collapsed="true"] .admin-sidebar {
    width: 96px;
    padding-inline: 0.75rem;
}

.admin-shell[data-sidebar-collapsed="true"] .sidebar-brand-logo span,
.admin-shell[data-sidebar-collapsed="true"] .sidebar-label {
    display: none;
}

.admin-shell[data-sidebar-collapsed="true"] .sidebar-link {
    justify-content: center;
}

.admin-shell[data-sidebar-collapsed="true"] .sidebar-link .sidebar-icon {
    margin: 0;
}

.admin-shell[data-sidebar-collapsed="true"] .sidebar-footer {
    align-items: center;
}

@media (max-width: 1023px) {
    .admin-sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        width: 260px;
        transform: translateX(-100%);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    }

    .sidebar-toggle.mobile {
        display: inline-grid;
    }

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

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition-base);
    }

    .admin-layout.sidebar-open .sidebar-overlay {
        opacity: 1;
        pointer-events: all;
    }
}

@media (min-width: 1024px) {
    .sidebar-overlay,
    .sidebar-toggle.mobile {
        display: none !important;
    }
}

.admin-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.admin-summary-card {
    border-radius: 18px;
    border: 1px solid color-mix(in oklab, var(--color-border) 55%, transparent);
    padding: 1.25rem;
    background: color-mix(in oklab, var(--color-background) 78%, transparent);
    box-shadow: 0 18px 38px rgba(5, 6, 17, 0.12);
    position: relative;
    overflow: hidden;
}

.admin-summary-card::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    background: radial-gradient(circle at top, rgba(31, 116, 255, 0.18), transparent 60%);
    transition: opacity .25s ease;
}

.admin-summary-card:hover::after {
    opacity: 1;
}

.config-grid {
    display: grid;
    gap: 1.5rem;
}

.config-block {
    background: color-mix(in oklab, var(--color-background) 80%, transparent);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    overflow: hidden;
}

.config-block summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    font-weight: 700;
    font-size: 1.05rem;
}

.config-block summary::-webkit-details-marker {
    display: none;
}

.config-block summary::after {
    content: '';
    width: 0.75rem;
    height: 0.75rem;
    border-right: 2px solid color-mix(in oklab, var(--color-text) 65%, transparent);
    border-bottom: 2px solid color-mix(in oklab, var(--color-text) 65%, transparent);
    transform: rotate(45deg);
    transition: transform 0.2s ease;
}

.config-block[open] summary::after {
    transform: rotate(-135deg);
}

.config-block .config-content {
    background: color-mix(in oklab, var(--color-background) 70%, transparent);
    border-top: 1px solid color-mix(in oklab, var(--color-border) 70%, transparent);
    padding: 1.5rem;
}

.login-brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.color-field {
    background: color-mix(in oklab, var(--color-background) 92%, transparent);
    border: 1px solid color-mix(in oklab, var(--color-border) 80%, transparent);
    border-radius: 18px;
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.color-field .color-input {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.color-field input[type="color"] {
    -webkit-appearance: none;
    appearance: none;
    width: 48px;
    height: 38px;
    border: none;
    border-radius: 12px;
    padding: 0;
    cursor: pointer;
    box-shadow: 0 0 0 1px color-mix(in oklab, var(--color-border) 80%, transparent);
}

.color-field input[type="text"] {
    flex: 1;
    border-radius: 10px;
    border: 1px solid color-mix(in oklab, var(--color-border) 80%, transparent);
    background: color-mix(in oklab, var(--color-background) 92%, transparent);
    padding: 0.55rem 0.7rem;
}

.admin-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 1.5rem;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.admin-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 25% -10%, rgba(255,255,255,0.18), transparent 55%);
    opacity: .4;
    pointer-events: none;
}

.admin-pill {
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem .9rem;
    border: 1px solid color-mix(in oklab, var(--color-border) 65%, transparent);
    background: color-mix(in oklab, var(--color-background) 72%, transparent);
    color: inherit;
    transition: var(--transition-base);
    font-weight: 600;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}

.admin-pill a {
    color: inherit;
}

.admin-pill:hover {
    transform: translateY(-2px);
    background: color-mix(in oklab, var(--color-primary) 20%, transparent);
}

.admin-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.5rem 1.15rem;
    font-weight: 700;
    border-radius: 999px;
    border: 1px solid color-mix(in oklab, var(--color-text) 16%, transparent);
    color: var(--color-text);
    background: color-mix(in oklab, var(--color-background) 72%, transparent);
    transition: var(--transition-base);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.15);
    white-space: nowrap;
}

.admin-button svg {
    width: 1.1em;
    height: 1.1em;
}

.admin-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.2);
}

.admin-button.primary {
    background: var(--color-primary);
    color: #fff;
    border-color: color-mix(in oklab, var(--color-primary) 20%, transparent);
}

.admin-button.muted {
    background: color-mix(in oklab, var(--color-background) 58%, transparent);
    color: color-mix(in oklab, var(--color-text) 90%, transparent);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .95rem;
}

.admin-table thead {
    color: color-mix(in oklab, var(--color-text) 70%, transparent);
    text-transform: uppercase;
    letter-spacing: .04em;
    font-size: .75rem;
}

.admin-table th,
.admin-table td {
    padding: .75rem .85rem;
    border-bottom: 1px solid color-mix(in oklab, var(--color-border) 45%, transparent);
}

.admin-status {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .8rem;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.admin-status[data-type="approved"] {
    background: rgba(15, 118, 110, 0.2);
    color: #0f766e;
}

.admin-status[data-type="pending"] {
    background: rgba(202, 138, 4, 0.18);
    color: #ca8a04;
}

.admin-status[data-type="failed"] {
    background: rgba(190, 18, 60, 0.18);
    color: #be123c;
}

.admin-status[data-type="processing"] {
    background: rgba(37, 99, 235, 0.18);
    color: #2563eb;
}

.admin-nav {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
    font-weight: 700;
}

.admin-nav a {
    border-radius: 12px;
    padding: .65rem 1rem;
    border: 1px solid color-mix(in oklab, var(--color-border) 65%, transparent);
    background: color-mix(in oklab, var(--color-background) 72%, transparent);
    color: inherit;
    transition: var(--transition-base);
}

.admin-nav a.active {
    background: var(--color-primary);
    color: #fff;
    border-color: color-mix(in oklab, var(--color-primary) 24%, transparent);
}

.theme-toggle-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid color-mix(in oklab, var(--color-border) 60%, transparent);
    background: color-mix(in oklab, var(--color-background) 70%, transparent);
    display: grid;
    place-items: center;
    transition: var(--transition-base);
}

.theme-toggle-btn svg {
    width: 20px;
    height: 20px;
}

.theme-toggle-btn:hover {
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.22);
}

.admin-input,
.admin-select,
.admin-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 14px;
    border: 1px solid color-mix(in oklab, var(--color-border) 70%, transparent);
    background: color-mix(in oklab, var(--color-background) 82%, transparent);
    color: inherit;
    transition: var(--transition-base);
    box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--color-border) 40%, transparent);
}

.admin-input:focus,
.admin-select:focus,
.admin-textarea:focus {
    outline: 2px solid color-mix(in oklab, var(--color-primary) 65%, transparent);
    outline-offset: 1px;
}

.admin-button:focus-visible,
.admin-input:focus-visible,
.admin-select:focus-visible,
.admin-textarea:focus-visible {
    box-shadow: 0 0 0 2px color-mix(in oklab, var(--color-primary) 40%, transparent);
}

@media (max-width: 1023px) {
    .admin-content {
        padding: 1.5rem;
    }

    .admin-card {
        padding: 1.25rem;
    }

    .admin-topbar {
        padding-inline: 1.25rem;
    }
}

@media (max-width: 640px) {
    .admin-content {
        padding: 1.25rem 1rem;
    }

    .admin-card,
    .admin-summary-card {
        border-radius: 14px;
    }

    .topbar-heading h1 {
        font-size: 1.1rem;
    }

    .admin-topbar {
        gap: .75rem;
    }

    .sidebar-brand-logo span {
        font-size: .95rem;
    }
}

.admin-table tbody tr {
    border-bottom: 1px solid color-mix(in oklab, var(--color-border) 55%, transparent);
    transition: var(--transition-base);
}

.admin-table tbody tr:hover {
    background: color-mix(in oklab, var(--color-background) 92%, transparent);
}