.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--color-header-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo h1 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
}

.nav ul {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav a:not(.btn) {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.nav a:not(.btn):hover {
    color: var(--color-primary);
}

.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    text-align: center;
}

.hero-content h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: 1rem;
    color: var(--color-text);
}

.hero-content p {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    text-align: center;
    font-size: var(--font-size-2xl);
    margin-bottom: 2rem;
    color: var(--color-text);
}

.features, .about, .contact {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.about p {
    text-align: center;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.contact p {
    text-align: center;
    color: var(--color-text-light);
}

.footer {
    background: var(--color-footer-bg);
    color: var(--color-footer-text);
    padding: 2rem 0;
    text-align: center;
    font-size: var(--font-size-sm);
}

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

.sidebar {
    width: 260px;
    background: var(--color-sidebar-bg);
    color: var(--color-sidebar-text);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 50;
}

.sidebar-header {
    padding: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: var(--font-size-lg);
    color: #fff;
}

.sidebar-nav ul {
    padding: 0.5rem 0;
}

.sidebar-nav a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--color-sidebar-text);
    font-size: var(--font-size-sm);
    transition: all var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.sidebar-nav a.active {
    border-left: 3px solid var(--color-sidebar-active);
}

.admin-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}