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

.sidebar {
    width: 290px;
    min-width: 290px;
    color: var(--sidebar-text);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: 0;
    align-self: start;
    height: 100vh;
    overflow: hidden;
    background: var(--sidebar-gradient);
}

.sidebar-brand-shell {
    position: sticky;
    top: 0;
    z-index: 4;
    background: var(--sidebar-brand-gradient);
    padding-top: 4px;
}

.sidebar-brand {
    padding: 8px 8px 10px;
}

.sidebar-brand a {
    color: var(--color-text);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.sidebar-title {
    margin: 0 0 10px;
    color: var(--sidebar-muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-section {
    padding: 14px;
    border-radius: 18px;
    background: var(--surface-gradient-1);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.sidebar-section-bottom {
    margin-top: auto;
}

.sidebar-section a,
.sidebar-auth-link,
.sidebar-utility-link {
    display: block;
    padding: 12px 13px;
    margin-bottom: 6px;
    border-radius: 12px;
    color: var(--sidebar-text);
    font-size: 14px;
    font-weight: 600;
    transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.sidebar-section a:last-child,
.sidebar-auth-link:last-child,
.sidebar-utility-link:last-child {
    margin-bottom: 0;
}

.sidebar-section a:hover,
.sidebar-auth-link:hover,
.sidebar-utility-link:hover {
    background: var(--color-hover-surface);
    color: var(--color-text);
    transform: translateX(2px);
}

.sidebar-user-card,
.sidebar-auth-guest {
    padding: 16px;
    border-radius: 18px;
    background: var(--surface-gradient-1);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.sidebar-user-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-user-label {
    color: var(--sidebar-muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-user-name {
    color: var(--color-text);
    font-size: 15px;
    font-weight: 800;
    line-height: 1.5;
    word-break: break-word;
}

.sidebar-user-role {
    display: inline-flex;
    align-self: flex-start;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--surface-pill-neutral-bg);
    border: 1px solid var(--surface-pill-neutral-border);
    color: var(--surface-pill-neutral-text);
    font-size: 12px;
    font-weight: 700;
}

.sidebar-user-actions {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-auth-text {
    margin: 0 0 10px;
    color: var(--sidebar-text);
    font-size: 14px;
    line-height: 1.6;
}

.sidebar-logout-form {
    margin-top: 8px;
}

.sidebar-logout-btn {
    width: 100%;
    border: 0;
    border-radius: 12px;
    background: var(--sidebar-logout-bg);
    color: var(--sidebar-logout-text);
    padding: 12px 13px;
    font-size: 14px;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.sidebar-logout-btn:hover {
    background: var(--sidebar-logout-bg-hover);
    color: var(--color-text);
    transform: translateX(2px);
}

.sidebar-scroll {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    min-height: 0;
    padding-right: 10px;
    margin-right: -2px;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb-end) var(--scrollbar-track);
}

.sidebar-scroll::-webkit-scrollbar {
    width: 12px;
}

.sidebar-scroll::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 999px;
    border: 3px solid transparent;
    background-clip: padding-box;
}

.sidebar-scroll::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--scrollbar-thumb-start) 0%, var(--scrollbar-thumb-end) 100%);
    border-radius: 999px;
    border: 3px solid var(--scrollbar-border);
}

.sidebar-scroll::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--scrollbar-thumb-hover-start) 0%, var(--scrollbar-thumb-hover-end) 100%);
}

.sidebar-scroll::-webkit-scrollbar-button {
    display: none;
}

.sidebar-account {
    flex: 0 0 auto;
    background: var(--sidebar-account-gradient);
    padding-top: 6px;
}

.sidebar-account-stack {
    display: grid;
    gap: 10px;
}

.sidebar-account-name {
    font-size: 0.88rem;
}

.main-content {
    flex: 1;
    padding: 30px;
    min-width: 0;
    background: transparent;
}

.container,
.page-container {
    max-width: 1450px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.page-title {
    margin: 0 0 6px;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
}

.page-subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.6;
}

.page-actions,
.dashboard-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

@media (max-width: 1024px) {
    .layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        min-width: 100%;
        min-height: auto;
        height: auto;
        position: relative;
    }

    .main-content {
        padding: 20px;
    }
}


.sidebar-footer-stack {
    display: grid;
    gap: 10px;
}

.sidebar-section.sidebar-section-bottom,
.sidebar-theme-section {
    padding: 12px;
    border-radius: 16px;
}

.sidebar-section.sidebar-section-bottom .sidebar-title,
.sidebar-theme-section .sidebar-title {
    margin-bottom: 8px;
}

.sidebar-account-stack {
    gap: 6px;
}

.sidebar-account-name,
.sidebar-account-role {
    line-height: 1.45;
}

.sidebar-logout-btn {
    padding: 10px 12px;
    font-size: 13px;
}

.sidebar-theme-switcher {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.sidebar-theme-section .theme-switcher-btn {
    min-height: 32px;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface-gradient-1);
    color: var(--color-text);
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.sidebar-theme-section .theme-switcher-btn:hover {
    transform: translateY(-1px);
    border-color: var(--color-hover-border);
    background: var(--surface-gradient-2);
}

.sidebar-theme-section .theme-switcher-btn.is-active {
    background: var(--color-button-primary-bg);
    color: var(--color-button-primary-text);
    border-color: var(--color-button-primary-bg);
}

html[data-theme="sunrise"] .sidebar {
    background:
        radial-gradient(circle at top, var(--color-bg-radial), transparent 30%),
        linear-gradient(180deg, var(--color-bg-gradient-start) 0%, var(--color-bg-gradient-end) 100%);
}

html[data-theme="sunrise"] .sidebar-brand-shell,
html[data-theme="sunrise"] .sidebar-account {
    background: transparent;
}

html[data-theme="sunrise"] .sidebar-section,
html[data-theme="sunrise"] .sidebar-user-card,
html[data-theme="sunrise"] .sidebar-auth-guest {
    background: color-mix(in srgb, var(--color-surface-1) 92%, white 8%);
}

@media (max-width: 1024px) {
    .sidebar-footer-stack {
        grid-template-columns: 1fr;
    }
}