/**
 * Public Pages Base CSS
 * Extracted and optimized from PublicLayout.razor
 * Performance: backdrop-filter removed, animations simplified
 */

/* ============================================
   CSS Variables for Public Pages
   ============================================ */
:root {
    --public-primary: #6366f1;
    --public-secondary: #8b5cf6;
    --public-tertiary: #ec4899;
    --public-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --public-gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --public-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --public-navbar-height: 70px;
    --public-container-max: 1200px;
}

/* ============================================
   Modern Navigation - NO BLUR
   ============================================ */
.modern-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    /* PERFORMANCE: Solid background instead of backdrop-filter blur */
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    transition: all var(--public-transition);
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.modern-navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--public-gradient);
    opacity: 0.1;
}

.modern-navbar.navbar-hidden {
    transform: translateY(-100%);
}

.modern-navbar.navbar-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-bottom-color: rgba(99, 102, 241, 0.15);
}

.navbar-container {
    max-width: var(--public-container-max);
    margin: 0 auto;
    padding: 0 var(--space-6, 1.5rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--public-navbar-height);
}

/* ============================================
   Brand Styles
   ============================================ */
.navbar-brand {
    flex-shrink: 0;
    position: relative;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 800;
    font-size: 1.25rem;
    transition: all var(--public-transition);
}

.brand-link:hover {
    transform: translateY(-1px);
}

.brand-link:hover .brand-icon {
    transform: rotate(10deg) scale(1.05);
    background: var(--public-gradient);
    color: white;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--public-primary);
    font-size: 24px;
    transition: all var(--public-transition);
}

.brand-text {
    background: var(--public-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

/* ============================================
   Desktop Navigation
   ============================================ */
.desktop-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    position: relative;
    color: #64748b;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    transition: all var(--public-transition);
    letter-spacing: -0.01em;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--public-gradient);
    transition: all var(--public-transition);
    transform: translateX(-50%);
    border-radius: 2px;
}

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

.nav-link:hover::before {
    width: 100%;
}

.nav-link.active {
    color: var(--public-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--public-gradient);
    border-radius: 2px;
}

/* ============================================
   Auth Buttons
   ============================================ */
.desktop-auth {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.auth-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--public-transition);
}

.login-link {
    color: #64748b;
    border: 2px solid rgba(99, 102, 241, 0.2);
    background: rgba(99, 102, 241, 0.05);
}

.login-link:hover {
    color: var(--public-primary);
    border-color: rgba(99, 102, 241, 0.3);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.signup-link {
    color: white;
    background: var(--public-gradient);
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}

.signup-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
}

/* ============================================
   Mobile Menu Toggle
   ============================================ */
.mobile-menu-toggle {
    display: none;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border: 2px solid rgba(99, 102, 241, 0.2);
    cursor: pointer;
    padding: 0.625rem;
    border-radius: 12px;
    transition: all var(--public-transition);
}

.mobile-menu-toggle:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-color: rgba(99, 102, 241, 0.3);
    transform: scale(1.05);
}

.hamburger {
    width: 22px;
    height: 16px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger span {
    width: 100%;
    height: 2.5px;
    background: var(--public-gradient);
    border-radius: 2px;
    transition: all var(--public-transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   Mobile Menu - NO BLUR
   ============================================ */
.mobile-menu {
    position: fixed;
    top: var(--public-navbar-height);
    left: 0;
    right: 0;
    /* PERFORMANCE: Solid background instead of backdrop-filter blur */
    background: rgba(255, 255, 255, 0.99);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--public-transition);
    z-index: 999;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.mobile-nav-link,
.mobile-auth-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 12px;
    text-decoration: none;
    color: #64748b;
    font-weight: 600;
    transition: all var(--public-transition);
}

.mobile-nav-link:hover,
.mobile-auth-link:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    color: var(--public-primary);
    transform: translateX(5px);
}

.mobile-nav-link.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    color: var(--public-primary);
    border-left: 3px solid var(--public-primary);
}

.mobile-auth-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.2), transparent);
    margin: 1rem 0;
}

.signup-mobile {
    background: var(--public-gradient);
    color: white;
}

.signup-mobile:hover {
    background: var(--public-gradient-secondary);
    color: white;
    transform: translateX(0) scale(1.02);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* PERFORMANCE: Semi-transparent background instead of blur */
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
}

/* ============================================
   Main Content
   Note: padding-top is handled in PublicLayout.razor
   Uses --public-navbar-height variable for consistency
   ============================================ */
.main-content {
    min-height: calc(100vh - var(--public-navbar-height, 60px));
}

/* ============================================
   Modern Footer
   ============================================ */
.modern-footer {
    background: var(--neutral-900, #0f172a);
    color: var(--neutral-300, #cbd5e1);
    padding: var(--space-16, 4rem) 0 var(--space-8, 2rem);
}

.footer-container {
    max-width: var(--public-container-max);
    margin: 0 auto;
    padding: 0 var(--space-6, 1.5rem);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-12, 3rem);
    margin-bottom: var(--space-12, 3rem);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3, 0.75rem);
    margin-bottom: var(--space-4, 1rem);
    color: white;
    font-size: var(--text-xl, 1.25rem);
    font-weight: 700;
}

.footer-description {
    color: var(--neutral-400, #94a3b8);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8, 2rem);
}

.footer-column h4 {
    color: white;
    font-weight: 600;
    margin-bottom: var(--space-4, 1rem);
}

.footer-column a {
    display: block;
    color: var(--neutral-400, #94a3b8);
    text-decoration: none;
    margin-bottom: var(--space-2, 0.5rem);
    transition: color var(--public-transition);
}

.footer-column a:hover {
    color: var(--primary-400, #818cf8);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8, 2rem);
    border-top: 1px solid var(--neutral-800, #1e293b);
}

.footer-copyright p {
    color: var(--neutral-500, #64748b);
    font-size: var(--text-sm, 0.875rem);
}

.footer-social {
    display: flex;
    gap: var(--space-4, 1rem);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--neutral-800, #1e293b);
    color: var(--neutral-400, #94a3b8);
    text-decoration: none;
    transition: all var(--public-transition);
}

.social-link:hover {
    background: var(--primary-600, #4f46e5);
    color: white;
    transform: translateY(-2px);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .desktop-menu,
    .desktop-auth {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .navbar-container {
        padding: 0 var(--space-4, 1rem);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8, 2rem);
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6, 1.5rem);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4, 1rem);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr;
    }

    .brand-text {
        display: none;
    }
}