/* Public Shell Layout */
.public-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.public-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-4) 0;
}

.public-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    width: 100%;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-brand {
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-right: var(--spacing-8);
}

.header-nav {
    display: flex;
    gap: var(--spacing-6);
}

.header-nav a {
    color: var(--color-text-main);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.header-nav a:hover,
.header-nav a.active {
    color: var(--color-text-main);
}

.public-main {
    flex: 1;
    padding: var(--spacing-8) 0;
}

.public-footer {
    background-color: var(--color-bg-surface);
    padding: var(--spacing-8) 0;
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

/* Organizer/Admin Shell Layout */
.dashboard-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--color-bg-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    top: 0;
    left: 0;
    overflow-y: auto;
}

.sidebar-header {
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.sidebar-nav {
    padding: var(--spacing-4);
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-3);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
}

.nav-item:hover {
    background-color: var(--color-bg-base);
    color: var(--color-text-main);
}

.nav-item.active {
    background-color: #EFF6FF;
    /* specialized light blue for active state */
    color: var(--color-primary);
}

.dashboard-main {
    flex: 1;
    margin-left: 260px;
    /* Width of sidebar */
    padding: var(--spacing-8);
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
}

.breadcrumb {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.breadcrumb span.current {
    color: var(--color-text-main);
    font-weight: 500;
}

@media (max-width: 1024px) {
    .sidebar {
        display: none;
        /* In a real app we'd have a mobile toggler */
    }

    .dashboard-main {
        margin-left: 0;
    }
}