/* Minimal admin theming — full styling lands in plan 02-06.
   Crimson palette per project CLAUDE.md (Palette B). */

:root {
    --admin-crimson: #991B1B;
    --admin-deep-red: #B91C1C;
    --admin-dark-crimson: #7F1D1D;
    --admin-near-black: #111111;
    --admin-body-text: #374151;
    --admin-light-gray: #E5E7EB;
    --admin-off-white: #F9FAFB;
    --admin-white: #FFFFFF;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--admin-body-text);
    background: var(--admin-off-white);
}

.app-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    color: var(--admin-near-black);
}

#blazor-error-ui {
    background: #ffe0e0;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0,0,0,0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

/* === Login layout === */
.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--admin-off-white);
    padding: 1.5rem;
}

.login-card {
    background: var(--admin-white);
    border: 1px solid var(--admin-light-gray);
    border-radius: 8px;
    padding: 2rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.login-card h1 {
    color: var(--admin-near-black);
    font-size: 1.5rem;
    margin: 0 0 1.5rem 0;
    text-align: center;
}

.form-row {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.form-row label {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--admin-near-black);
}

.form-row input {
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--admin-light-gray);
    border-radius: 4px;
    font-size: 1rem;
}

.form-row input:focus {
    outline: 2px solid var(--admin-crimson);
    outline-offset: -1px;
}

.validation-message {
    color: var(--admin-deep-red);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.error-banner {
    background: #fee2e2;
    border: 1px solid var(--admin-deep-red);
    color: var(--admin-dark-crimson);
    padding: 0.6rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.success-banner {
    background: #dcfce7;
    border: 1px solid #16a34a;
    color: #166534;
    padding: 0.6rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.btn-primary {
    background: var(--admin-crimson);
    color: var(--admin-white);
    border: 0;
    border-radius: 4px;
    padding: 0.7rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

.btn-primary:hover:not([disabled]) { background: var(--admin-deep-red); }
.btn-primary:active:not([disabled]) { background: var(--admin-dark-crimson); }
.btn-primary[disabled] { opacity: 0.6; cursor: not-allowed; }

.forgot-link {
    display: block;
    text-align: center;
    margin-top: 1rem;
    color: var(--admin-crimson);
    text-decoration: none;
    font-size: 0.9rem;
}

.forgot-link:hover { text-decoration: underline; }

/* === Admin shell (post-login) === */
.admin-shell {
    min-height: 100vh;
}

.admin-content {
    /* The Syncfusion SfSidebar renders position:fixed (out of normal flow), so a CSS grid
       column cannot size the content area beside it. Offset the content by the 240px fixed
       sidebar width instead — the standard fixed-sidebar layout. */
    margin-left: 240px;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-main {
    flex: 1;
    padding: 1.5rem;
    background: var(--admin-off-white);
    color: var(--admin-body-text);
    overflow-y: auto;
}

/* === Sidebar (Syncfusion SfSidebar overrides) === */
.e-sidebar {
    background: var(--admin-near-black) !important;
    color: var(--admin-white) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.05) !important;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.sidebar-brand {
    padding: 1.25rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand .wordmark {
    display: block;
    color: var(--admin-white);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.sidebar-brand .subtitle {
    display: block;
    color: #9ca3af;
    font-size: 0.78rem;
    margin-top: 0.15rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-content nav {
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.25rem;
    color: #cbd5e1;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    font-size: 0.95rem;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--admin-white);
}

.nav-item.active {
    background: rgba(153, 27, 27, 0.18);
    border-left-color: var(--admin-crimson);
    color: var(--admin-white);
    font-weight: 600;
}

.nav-item .icon {
    font-size: 1.05rem;
    width: 1.5rem;
    text-align: center;
    display: inline-block;
}

.nav-item .label { flex: 1; }

/* === TopBar === */
.topbar {
    height: 56px;
    background: var(--admin-white);
    border-bottom: 1px solid var(--admin-light-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    flex-shrink: 0;
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
}

.welcome {
    color: var(--admin-body-text);
    font-weight: 500;
    margin-right: 1rem;
}

.logout-btn {
    background: transparent;
    border: 1px solid var(--admin-light-gray);
    color: #6b7280;
    padding: 0.4rem 0.9rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.logout-btn:hover {
    background: #f3f4f6;
    color: var(--admin-near-black);
    border-color: #d1d5db;
}

.hamburger {
    display: none; /* hidden on desktop; shown via media query below */
    background: transparent;
    border: 0;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--admin-near-black);
    padding: 0.25rem 0.5rem;
}

/* === Mobile responsive — sidebar collapses to slide-in drawer === */
@media (max-width: 768px) {
    .admin-content {
        margin-left: 0; /* sidebar becomes a slide-in drawer overlay; content is full-width */
    }

    .e-sidebar {
        position: fixed !important;
        height: 100vh !important;
        z-index: 1000 !important;
    }

    .hamburger {
        display: block;
    }

    .admin-main {
        padding: 1rem;
    }
}

/* === Audit Log page === */
.audit-log-page h1 {
    margin-bottom: 1rem;
}

.audit-log-page .audit-filter-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: end;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--admin-off-white, #F9FAFB);
    border: 1px solid var(--admin-light-gray, #E5E7EB);
    border-radius: 4px;
}

.audit-log-page .filter-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.audit-log-page .filter-field label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--admin-near-black, #111111);
}

.audit-log-page .filter-field input {
    min-width: 180px;
}

.audit-log-page .filter-actions {
    display: flex;
    gap: 0.5rem;
    align-items: end;
}

.audit-log-page .btn-apply {
    background: #991B1B;
    color: #fff;
    border-color: #991B1B;
}

.audit-log-page .btn-apply:hover:not(:disabled) {
    background: #7F1D1D;
    border-color: #7F1D1D;
}

.audit-log-page .btn-clear {
    background: transparent;
    color: var(--admin-near-black, #111111);
    border: 1px solid var(--admin-light-gray, #E5E7EB);
}

.audit-log-page .btn-diff {
    background: transparent;
    color: #991B1B;
    border: 1px solid #991B1B;
}

.audit-log-page .btn-diff:hover {
    background: #991B1B;
    color: #fff;
}

.audit-log-page .e-grid .e-rowcell {
    font-size: 0.875rem;
    padding: 0.4rem 0.6rem;
}

.audit-log-page .e-grid .e-headercelldiv {
    font-weight: 600;
}

.audit-log-page .e-grid .e-rowcell:first-child {
    font-family: 'Consolas', 'Courier New', monospace;
}

.audit-log-page .audit-loading,
.audit-log-page .audit-empty {
    padding: 2rem;
    text-align: center;
    color: var(--admin-body-text, #374151);
    background: var(--admin-off-white, #F9FAFB);
    border-radius: 4px;
}

.audit-log-page .audit-pagination {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.audit-log-page .audit-pagination-summary {
    margin-right: auto;
    color: var(--admin-body-text, #374151);
    font-size: 0.875rem;
}

.audit-log-page .audit-pagesize-label {
    margin-left: 0.5rem;
    font-size: 0.875rem;
}

/* === Diff side panel === */
.audit-diff-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 50vw;
    max-width: 720px;
    background: #1a1a1a;
    color: #f0f0f0;
    border-left: 3px solid #991B1B;
    padding: 1rem;
    overflow: auto;
    z-index: 1050;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.4);
    animation: audit-diff-slide-in 0.18s ease-out;
}

@keyframes audit-diff-slide-in {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.audit-diff-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #333;
}

.audit-diff-header .btn-link {
    color: #f0f0f0;
}

.audit-diff-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.audit-diff-pane h5 {
    color: #cfcfcf;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.audit-diff-body pre {
    background: #0e0e0e;
    color: #cfcfcf;
    padding: 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    max-height: calc(100vh - 8rem);
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
    margin: 0;
}

@media (max-width: 768px) {
    .audit-diff-panel {
        width: 100vw;
        max-width: none;
    }

    .audit-diff-body {
        grid-template-columns: 1fr;
    }
}