/* ==========================================================================
   Admin Dashboard Styles
   Uses CSS variables from css/style.css
   ========================================================================== */

/* --- Login --- */

.admin-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.admin-login__card {
    width: 100%;
    max-width: 380px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.admin-login__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    color: var(--color-primary);
    margin-bottom: 20px;
}

.admin-login__title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 6px;
}

.admin-login__subtitle {
    font-size: 14px;
    color: var(--color-text-light);
    margin: 0 0 28px;
}

.admin-login__input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    background: var(--color-bg);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition-fast);
}

.admin-login__input:focus {
    border-color: var(--color-primary);
}

.admin-login__btn {
    width: 100%;
    margin-top: 16px;
    padding: 12px 24px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.admin-login__btn:hover {
    background: var(--color-primary-hover);
}

.admin-login__error {
    margin-top: 14px;
    font-size: 13px;
    color: var(--color-danger);
    min-height: 20px;
}

/* --- Topbar --- */

.admin-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    padding: 0 24px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.admin-topbar__left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-topbar__icon {
    display: flex;
    align-items: center;
    color: var(--color-primary);
}

.admin-topbar__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
}

.admin-topbar__right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-topbar__home {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-light);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.admin-topbar__home:hover {
    color: var(--color-text);
    background: var(--color-primary-bg);
}

.admin-topbar__logout {
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-light);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.admin-topbar__logout:hover {
    color: var(--color-danger);
    border-color: var(--color-danger);
}

/* --- Dashboard Container --- */

.admin-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 24px 60px;
}

/* --- Stats Grid --- */

.admin-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.admin-stats__card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.admin-stats__value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 6px;
}

.admin-stats__label {
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 500;
}

/* --- Pool Table --- */

.admin-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.admin-section__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
}

.admin-filter {
    display: flex;
    gap: 4px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.admin-filter__btn {
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-light);
    border: none;
    border-radius: 6px;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.admin-filter__btn--active {
    background: var(--color-surface);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

.admin-table-wrap {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.admin-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.admin-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tbody tr {
    cursor: pointer;
    transition: background var(--transition-fast);
}

.admin-table tbody tr:hover {
    background: var(--color-primary-bg);
}

.admin-table__pin {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-weight: 600;
    color: var(--color-primary);
}

.admin-table__expired {
    opacity: 0.5;
}

.admin-table__badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.admin-table__badge--active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.admin-table__badge--expired {
    background: rgba(107, 114, 128, 0.1);
    color: var(--color-text-light);
}

.admin-table__empty {
    padding: 48px 16px;
    text-align: center;
    color: var(--color-text-light);
    font-size: 14px;
}

/* --- Detail Panel --- */

.admin-detail {
    position: fixed;
    top: 0;
    right: 0;
    width: 480px;
    height: 100vh;
    background: var(--color-surface);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
    z-index: 200;
    transform: translateX(100%);
    transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.admin-detail__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.admin-detail__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
}

.admin-detail__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-sm);
    background: none;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-detail__close:hover {
    background: var(--color-primary-bg);
    color: var(--color-text);
}

.admin-detail__body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.admin-detail__meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.admin-detail__meta-item {
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: 12px;
}

.admin-detail__meta-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
}

.admin-detail__meta-label {
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: 2px;
}

.admin-detail__section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.admin-detail__cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.admin-detail__card-thumb {
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    overflow: hidden;
    background: var(--color-bg);
    position: relative;
}

.admin-detail__card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-detail__card-thumb--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 12px;
}

.admin-detail__card-author {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px 6px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-detail__card-template {
    position: absolute;
    top: 4px;
    right: 4px;
    padding: 1px 5px;
    background: var(--color-primary);
    color: #fff;
    font-size: 9px;
    font-weight: 600;
    border-radius: 4px;
}

.admin-detail__empty {
    text-align: center;
    padding: 32px 16px;
    color: var(--color-text-light);
    font-size: 14px;
}

.admin-detail__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms;
}

.admin-detail__overlay--visible {
    opacity: 1;
    pointer-events: auto;
}

/* --- Loading --- */

.admin-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--color-text-light);
    font-size: 14px;
}

/* --- Responsive --- */

@media (max-width: 768px) {
    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-table-wrap {
        overflow-x: auto;
    }

    .admin-table {
        min-width: 600px;
    }

    .admin-detail {
        width: 100%;
    }

    .admin-detail__cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .admin-login__card {
        padding: 32px 20px;
    }

    .admin-dashboard {
        padding: 16px 12px 40px;
    }
}