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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: #0f172a; /* Slate 900 */
    color: #f8fafc;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    border-right: 1px solid #1e293b;
}

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    border-bottom: 1px solid #1e293b;
    gap: 0.75rem;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: #ffffff;
}

.sidebar-logo svg {
    color: #38bdf8;
}

.sidebar-nav {
    flex: 1;
    padding: 1.25rem 0.75rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    padding: 0.75rem 0.75rem 0.25rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-md);
    color: #94a3b8;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.nav-item:hover {
    color: #ffffff;
    background-color: #1e293b;
}

.nav-item.active {
    color: #ffffff;
    background-color: var(--primary);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid #1e293b;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #090d16;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    overflow: hidden;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background-color: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: #64748b;
}

/* Main Content Area */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    height: var(--topbar-height);
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: var(--shadow-xs);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.content-container {
    flex: 1;
    padding: 2rem;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
}

/* Auth Layout */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #1e3a8a 100%);
    padding: 1.5rem;
}

.auth-card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 0.75rem;
}

.auth-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}