/* =============================================================================
   admin-main-rail.css
   Icon-only Main Rail + flyout. Width is the 3.35rem track in admin-layout.css.
   ============================================================================= */

.admin-book-rail {
    border-right: none;
    border-left: 1px solid var(--border, #1e293b);
}

.admin-book-rail .admin-main-rail-popout {
    left: auto;
    right: 100%;
    border-radius: 0.6rem 0 0 0.6rem;
    box-shadow: -8px 8px 28px rgba(0, 0, 0, 0.4);
}

.admin-main-rail {
    --sb-width: 3.35rem;
    position: relative;
    height: 100%;
    background: var(--bg-elevated, #0f172a);
    border-right: 1px solid var(--border, #1e293b);
    z-index: 30;
}

.admin-main-rail-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    padding: 0.5rem 0.3rem;
    gap: 0.35rem;
}

.admin-main-rail-nav {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.15rem 0;
}

.admin-main-rail-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.55rem 0.2rem;
    border-radius: 0.5rem;
    border: 1px solid transparent;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    font: inherit;
    text-decoration: none;
    box-sizing: border-box;
    min-height: 2.75rem;
}

.admin-main-rail-section:hover:not(.is-disabled) {
    color: #e2e8f0;
    background: rgba(56, 189, 248, 0.08);
    border-color: rgba(56, 189, 248, 0.15);
}

.admin-main-rail-section.is-active {
    color: #f8fafc;
    background: linear-gradient(160deg, rgba(15, 48, 84, 0.95), rgba(29, 78, 216, 0.45));
    border-color: rgba(56, 189, 248, 0.35);
    box-shadow: 0 4px 14px rgba(15, 48, 84, 0.35);
}

.admin-main-rail-section.is-disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.admin-main-rail-section-label {
    display: none;
}

.admin-main-rail-section-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    color: inherit;
}

.admin-main-rail-section-icon svg {
    display: block;
    width: 1.35rem;
    height: 1.35rem;
}

.admin-main-rail-popout {
    position: absolute;
    left: 100%;
    top: 0.35rem;
    width: 13.5rem;
    background: rgba(8, 15, 30, 0.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(56, 189, 248, 0.22);
    border-radius: 0 0.6rem 0.6rem 0;
    box-shadow: 8px 8px 28px rgba(0, 0, 0, 0.4);
    padding: 0.55rem 0.45rem;
    z-index: 40;
}

.admin-main-rail-popout[hidden] {
    display: none !important;
}

.admin-main-rail-popout-title {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #7dd3fc;
    padding: 0.15rem 0.45rem 0.4rem;
}

.admin-main-rail-popout-list {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.admin-main-rail-popout-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.45rem 0.55rem;
    border-radius: 0.4rem;
    border: 1px solid transparent;
    color: #e2e8f0;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    background: transparent;
    cursor: pointer;
    font: inherit;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
}

.admin-main-rail-popout-item:hover:not(.is-disabled) {
    background: rgba(56, 189, 248, 0.12);
    border-color: rgba(56, 189, 248, 0.2);
}

.admin-main-rail-popout-item.is-active {
    background: rgba(29, 78, 216, 0.35);
    border-color: rgba(56, 189, 248, 0.35);
    color: #f8fafc;
}

.admin-main-rail-popout-item.is-disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.admin-main-rail-popout-item .chev {
    opacity: 0.45;
    font-size: 0.75rem;
}

[data-theme="light"] .admin-main-rail {
    background: #f1f5f9;
}

[data-theme="light"] .admin-main-rail-popout {
    background: rgba(255, 255, 255, 0.88);
    border-color: #e2e8f0;
}

[data-theme="light"] .admin-main-rail-section {
    color: #64748b;
}

[data-theme="light"] .admin-main-rail-section.is-active {
    color: #0f172a;
}