/* ===========================
   LAYOUT STYLES - v3 Ultra Modern
   =========================== */

.layout-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--bg-primary);
    position: relative;
}

/* Ambient background orbs */
.layout-wrapper::before {
    content: '';
    position: fixed;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(129, 140, 248, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.layout-wrapper::after {
    content: '';
    position: fixed;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(244, 114, 182, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* HEADER */
.header {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: none;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(129, 140, 248, 0.4) 20%, var(--primary) 50%, rgba(129, 140, 248, 0.4) 80%, transparent 100%);
    opacity: 0.5;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
}

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

.logo {
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-fast);
    letter-spacing: -0.02em;
}

.logo i {
    color: var(--primary);
    font-size: var(--text-xl);
    text-shadow: 0 0 12px rgba(129, 140, 248, 0.5);
}

.logo:hover {
    color: var(--primary);
    transform: translateY(-1px);
}

.logo-badge {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* Navigation */
.header-nav { display: flex; }

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--space-xs);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.4rem 0.875rem;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-glow);
    border-color: rgba(129, 140, 248, 0.15);
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-lg);
    z-index: var(--z-fixed);
    animation: slideDown var(--transition-normal) ease-out;
}

.mobile-menu.active { display: flex; }

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    list-style: none;
    gap: var(--space-sm);
    width: 100%;
}

.mobile-nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--primary);
    background: var(--primary-glow);
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    width: 100%;
    position: relative;
    z-index: 1;
}

/* FOOTER */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-3xl) 0;
    margin-top: auto;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h4,
.footer-section h5 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-section p {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    color: var(--text-tertiary);
    font-size: var(--text-lg);
    transition: color var(--transition-fast);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
}

.footer-links a:hover {
    color: var(--primary);
    background: var(--primary-glow);
}

.footer-list { list-style: none; }

.footer-list li { margin-bottom: var(--space-sm); }

.footer-list a {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.footer-list a:hover {
    color: var(--primary);
    padding-left: var(--space-xs);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

.footer-bottom i { color: var(--accent); }

/* PAGE TRANSITION OVERLAY */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-overlay);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.page-transition-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.transition-loader {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.spinner-circle {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.transition-text {
    color: var(--primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.15em;
    animation: pulse 1.5s ease-in-out infinite;
    text-transform: uppercase;
}

/* TOAST CONTAINER */
.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    backdrop-filter: var(--glass-blur);
    animation: slideLeft var(--transition-normal) ease-out;
}

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

.toast-icon { font-size: var(--text-lg); }
.toast-success { border-left: 3px solid var(--success); }
.toast-success .toast-icon { color: var(--success); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning { border-left: 3px solid var(--warning); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info { border-left: 3px solid var(--primary); }
.toast-info .toast-icon { color: var(--primary); }

.toast-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: var(--text-lg);
    padding: 0;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.toast-close:hover { color: var(--text-primary); }

/* RESPONSIVE */
@media (max-width: 768px) {
    .header .container {
        padding-top: var(--space-sm);
        padding-bottom: var(--space-sm);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
    }

    .toast { min-width: unset; }
}