/* Zyklusversteher - Layout */

/* App Shell */
.app-shell {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--zv-sidebar-width);
    background: var(--zv-bg-card);
    border-right: 1px solid var(--zv-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 30px;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--zv-transition);
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--zv-border-light);
}

.sidebar-header .logo {
    width: 40px;
    height: 40px;
}

.sidebar-header h1 {
    font-size: 1.125rem;
    color: var(--zv-primary);
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--zv-text-secondary);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--zv-transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-item:hover {
    background: var(--zv-bg-hover);
    color: var(--zv-primary);
}

.nav-item.active {
    background: var(--zv-phase-menstruation-bg);
    color: var(--zv-primary);
}

.nav-item .nav-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.nav-item .badge {
    margin-left: auto;
    background: var(--zv-primary);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--zv-radius-full);
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--zv-border-light);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--zv-primary-light);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.user-name {
    font-weight: 600;
    font-size: 0.875rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--zv-text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--zv-sidebar-width);
    padding: 24px;
    max-width: 960px;
    overflow-x: hidden;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    margin-bottom: 4px;
}

.page-header .subtitle {
    color: var(--zv-text-secondary);
    font-size: 0.875rem;
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--zv-bg-card);
    border-top: 1px solid var(--zv-border);
    z-index: 100;
    padding: 4px 0;
    padding-bottom: env(safe-area-inset-bottom, 4px);
}

.mobile-nav-items {
    display: flex;
    justify-content: space-around;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 8px;
    color: var(--zv-text-muted);
    font-size: 0.625rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    background: none;
    transition: color var(--zv-transition);
}

.mobile-nav-item.active {
    color: var(--zv-primary);
}

.mobile-nav-item .nav-icon {
    font-size: 1.375rem;
}

/* Mobile Top Bar */
.mobile-topbar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--zv-nav-height);
    background: var(--zv-bg-card);
    border-bottom: 1px solid var(--zv-border);
    z-index: 100;
    padding: 0 16px;
    align-items: center;
    gap: 12px;
}

.mobile-topbar h1 {
    font-size: 1.125rem;
    color: var(--zv-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--zv-shadow-lg);
    }

    .mobile-nav {
        display: block;
    }

    .mobile-topbar {
        display: flex;
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
        padding-top: calc(var(--zv-nav-height) + 16px);
        padding-bottom: 80px;
    }
}