/* ===================================================================== */
/* ADMIN BACK-OFFICE — Exensia / CGS                                     */
/* ===================================================================== */

.admin-shell {
    display: grid;
    grid-template-columns: 16rem 1fr;
    min-height: 100vh;
    background: var(--cgs-bg);
    color: var(--cgs-text);
    font-family: 'Inter', system-ui, sans-serif;
}

.admin-sidebar {
    background: var(--cgs-primary-dark);
    color: #e2e8f0;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    align-self: start;
    height: 100vh;
    overflow-y: auto;
    box-shadow: 0.125rem 0 0.5rem rgba(0, 0, 0, 0.12);
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-brand-logo {
    height: 2.25rem;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.admin-brand-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.2;
}

.admin-brand-sub {
    font-size: 0.75rem;
    color: var(--cgs-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    padding: 0.75rem 0;
}

.admin-nav-section {
    padding: 1rem 1.25rem 0.25rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(226, 232, 240, 0.4);
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1.25rem;
    color: #e2e8f0;
    text-decoration: none;
    font-size: 0.9rem;
    border-left: 0.1875rem solid transparent;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.admin-nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
}

.admin-nav-link.active {
    background: rgba(230, 126, 34, 0.12);
    border-left-color: var(--cgs-accent);
    color: #fff;
}

.admin-nav-icon {
    font-size: 1.05rem;
    width: 1.25rem;
    text-align: center;
}

.admin-main {
    padding: 2rem 2.5rem 4rem;
    max-width: 100%;
    overflow-x: auto;
}

.admin-page {
    max-width: 80rem;
}

.admin-page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.admin-page-head h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--cgs-text);
}

.admin-page-sub {
    margin: 0.25rem 0 0;
    color: var(--cgs-text-secondary);
    font-size: 0.9rem;
}

/* === Stats === */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 1.25rem;
}

.admin-stat {
    background: var(--cgs-surface);
    border: 1px solid var(--cgs-border);
    border-radius: 0.75rem;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 1px 2px var(--cgs-shadow);
}

.admin-stat-accent {
    border-left: 0.25rem solid var(--cgs-accent);
}

.admin-stat-label {
    font-size: 0.8rem;
    color: var(--cgs-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-stat-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--cgs-accent);
    margin: 0.35rem 0;
    line-height: 1;
}

.admin-stat-link {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--cgs-primary);
    text-decoration: none;
    margin-top: 0.5rem;
}

.admin-stat-link:hover {
    text-decoration: underline;
    color: var(--cgs-accent);
}

/* === Checkbox === */
.admin-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
    color: var(--cgs-text);
}

.admin-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--cgs-accent);
}

/* === Row detail === */
.admin-row-detail {
    background: var(--cgs-bg);
    padding: 0.75rem 1rem;
    border-left: 0.1875rem solid var(--cgs-accent);
    margin: 0.25rem 0;
    font-size: 0.9rem;
    color: var(--cgs-text);
}

.admin-row-detail strong {
    color: var(--cgs-text);
}

.admin-row-detail p,
.admin-row-detail pre {
    margin: 0.35rem 0 0;
    white-space: pre-wrap;
    color: var(--cgs-text-secondary);
}

/* === Empty state === */
.admin-empty {
    color: var(--cgs-text-secondary);
    font-style: italic;
    padding: 2rem 0;
    text-align: center;
}

/* === Logout nav === */
.admin-nav-logout {
    margin-top: auto;
    padding: 0.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-nav-logout-btn {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    text-align: left;
    color: #e2e8f0;
}

.admin-nav-logout-btn:hover {
    background: rgba(231, 76, 60, 0.12);
    color: #e74c3c;
}

/* === Responsive === */
@media (max-width: 48rem) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: relative;
        height: auto;
    }

    .admin-main {
        padding: 1.25rem;
    }
}

/* ===================================================================== */
/* LOGIN PAGE                                                             */
/* ===================================================================== */

.admin-login-shell {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--cgs-primary-dark) 0%, #0c1220 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.admin-login-page {
    width: 100%;
    display: flex;
    justify-content: center;
}

.admin-login-card {
    background: var(--cgs-surface);
    border-radius: 1rem;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 24rem;
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.3);
}

.admin-login-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.admin-login-brand img {
    height: 3.5rem;
    margin-bottom: 0.75rem;
}

.admin-login-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--cgs-text);
}

.admin-login-brand p {
    font-size: 0.8rem;
    color: var(--cgs-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0.25rem 0 0;
}

.admin-login-error {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: 0.5rem;
    color: #e74c3c;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}

.admin-login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-login-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.admin-login-field label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--cgs-text);
}

.admin-login-input {
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--cgs-border);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--cgs-bg);
    color: var(--cgs-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.admin-login-input:focus {
    outline: none;
    border-color: var(--cgs-accent);
    box-shadow: 0 0 0 0.2rem rgba(230, 126, 34, 0.15);
}

.admin-login-input-totp {
    letter-spacing: 0.3em;
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
}

.admin-login-hint {
    font-size: 0.75rem;
    color: var(--cgs-text-secondary);
    font-style: italic;
}

.admin-login-btn {
    padding: 0.75rem;
    background: var(--cgs-accent);
    color: #ffffff;
    border: none;
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
    margin-top: 0.25rem;
}

.admin-login-btn:hover {
    background: var(--cgs-accent-dark);
    transform: translateY(-1px);
}

.admin-login-back {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--cgs-text-secondary);
    text-decoration: none;
}

.admin-login-back:hover {
    color: var(--cgs-accent);
}