/**
 * Navigation Bar & Layout Components
 */

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    background: rgba(var(--bg-secondary), 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    gap: var(--space-md);
    flex: 1;
    justify-content: center;
}

.nav-link {
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    width: 80%;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.user-name {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.875rem;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--space-2xl) 0;
}

/* ============================================
   ALERTS/MESSAGES
   ============================================ */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    border-left: 4px solid;
}

.alert-success {
    background: rgba(140, 200, 50, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-error,
.alert-danger {
    background: rgba(255, 80, 80, 0.1);
    border-color: var(--error);
    color: var(--error);
}

.alert-warning {
    background: rgba(255, 180, 50, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(80, 180, 255, 0.1);
    border-color: var(--info);
    color: var(--info);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-2xl);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .navbar-content {
        flex-direction: column;
        gap: var(--space-md);
    }

    .navbar-menu {
        width: 100%;
        justify-content: space-around;
    }

    .navbar-user {
        width: 100%;
        justify-content: center;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.5rem;
    }
}