*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-primary-light);
}

.main-content {
    min-height: calc(100vh - 64px);
}

/* Landing */
.landing {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.landing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.landing-logo {
    font-size: 1.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.landing-logo i {
    color: var(--color-accent);
}

.landing-nav {
    display: flex;
    gap: 1rem;
}

.landing-hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
}

.landing-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.landing-hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: 0.9;
    max-width: 600px;
    margin-bottom: 2rem;
}

.landing-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.05);
}

.feature-card {
    text-align: center;
    padding: 1.5rem;
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
}

.feature-card p {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Auth pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.auth-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
}

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

.auth-logo h1 {
    font-size: 1.75rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.auth-logo i {
    color: var(--color-accent);
}

.auth-logo p {
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Home dashboard */
.dashboard {
    max-width: 1140px;
    margin: 0 auto;
    padding: 1.5rem 1rem 2rem;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

.dashboard-header p {
    color: var(--color-text-muted);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.dashboard-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition), box-shadow var(--transition);
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.dashboard-card i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.dashboard-card h3 {
    margin-bottom: 0.5rem;
}

.dashboard-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.coming-soon {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-bg-dark);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-top: 0.75rem;
}

/* 404 */
.error-page {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.error-page h1 {
    font-size: 4rem;
    color: var(--color-primary);
}

.error-page p {
    color: var(--color-text-muted);
    margin: 1rem 0 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .landing-header {
        flex-direction: column;
        gap: 1rem;
    }

    .auth-card {
        padding: 1.5rem;
    }

    .dashboard {
        padding: 1rem;
    }
}