/* ============================================
   107events Navigation Styles
   Athletic Precision Design with Dark Mode
   ============================================ */

/* CSS Variables for Light/Dark Themes */
:root {
    /* Light Theme (Default) */
    --nav-bg: #ffffff;
    --nav-border: #e2e8f0;
    --nav-text: #1e293b;
    --nav-text-muted: #64748b;
    --nav-hover-bg: #f8fafc;
    --nav-active-bg: #fef3f0;
    --nav-shadow: rgba(0, 0, 0, 0.05);
    --nav-mobile-overlay: rgba(15, 23, 42, 0.6);

    /* Accent colors (same in both modes) */
    --nav-accent: #f97316;
    --nav-accent-hover: #ea580c;

    /* Transitions */
    --nav-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
    --nav-bg: #0f172a;
    --nav-border: #1e293b;
    --nav-text: #f1f5f9;
    --nav-text-muted: #94a3b8;
    --nav-hover-bg: #1e293b;
    --nav-active-bg: rgba(249, 115, 22, 0.1);
    --nav-shadow: rgba(0, 0, 0, 0.3);
    --nav-mobile-overlay: rgba(0, 0, 0, 0.8);
}

/* ============================================
   Main Navigation Bar
   ============================================ */
.main-nav {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    border-bottom: 2px solid var(--nav-border);
    box-shadow: 0 4px 12px var(--nav-shadow);
    transition: var(--nav-transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* ============================================
   Logo and Brand
   ============================================ */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--nav-text);
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    transition: var(--nav-transition);
}

.nav-brand:hover {
    opacity: 0.8;
    transform: translateY(-1px);
}

.nav-logo {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border: 2px solid var(--nav-border);
    transition: var(--nav-transition);
}

.nav-brand:hover .nav-logo {
    transform: rotate(-3deg) scale(1.05);
}

.nav-brand-text {
    background: linear-gradient(135deg, var(--nav-accent) 0%, var(--nav-accent-hover) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Desktop Navigation Links
   ============================================ */
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.nav-link {
    position: relative;
    padding: 0.75rem 1.25rem;
    color: var(--nav-text);
    text-decoration: none;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border-radius: 8px;
    transition: var(--nav-transition);
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 3px;
    background: var(--nav-accent);
    border-radius: 2px 2px 0 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    color: var(--nav-accent);
    background: var(--nav-hover-bg);
}

.nav-link:hover::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
    color: var(--nav-accent);
    background: var(--nav-active-bg);
}

.nav-link.active::before {
    transform: translateX(-50%) scaleX(1);
}

/* ============================================
   Navigation Actions (Right Side)
   ============================================ */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle {
    position: relative;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 2px solid var(--nav-border);
    border-radius: 10px;
    background: var(--nav-bg);
    color: var(--nav-text);
    cursor: pointer;
    transition: var(--nav-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--nav-hover-bg);
    border-color: var(--nav-accent);
    transform: rotate(15deg) scale(1.05);
}

.theme-icon {
    width: 20px;
    height: 20px;
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-icon-light {
    opacity: 1;
    transform: rotate(0deg);
}

.theme-icon-dark {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="dark"] .theme-icon-light {
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="dark"] .theme-icon-dark {
    opacity: 1;
    transform: rotate(0deg);
}

/* Auth Button (from existing design) */
.auth-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--nav-text);
    border: 2px solid var(--nav-border);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--nav-transition);
    text-decoration: none;
}

.auth-button:hover {
    background: var(--nav-hover-bg);
    border-color: var(--nav-accent);
    color: var(--nav-accent);
}

.auth-button.signed-in {
    background: var(--nav-active-bg);
    border-color: var(--nav-accent);
    color: var(--nav-accent);
}

.auth-button .user-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.auth-button .user-tier {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 50px;
    text-transform: uppercase;
    font-weight: 600;
    background: var(--nav-accent);
    color: white;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 8px;
    background: transparent;
    border: 2px solid var(--nav-border);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--nav-transition);
}

.mobile-menu-toggle:hover {
    background: var(--nav-hover-bg);
    border-color: var(--nav-accent);
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--nav-text);
    border-radius: 2px;
    transition: var(--nav-transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--nav-mobile-overlay);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 999;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    background: var(--nav-bg);
    padding: 2rem 1.5rem;
    border-radius: 0 0 16px 16px;
    box-shadow: 0 8px 24px var(--nav-shadow);
    transform: translateY(-20px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.active .mobile-menu-content {
    transform: translateY(0);
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 0.5rem;
    color: var(--nav-text);
    text-decoration: none;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 12px;
    transition: var(--nav-transition);
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-menu.active .mobile-menu-link {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.active .mobile-menu-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.active .mobile-menu-link:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-menu-link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-menu-link:nth-child(4) { transition-delay: 0.2s; }

.mobile-menu-link:hover {
    background: var(--nav-hover-bg);
    color: var(--nav-accent);
    transform: translateX(4px);
}

.mobile-menu-link.active {
    background: var(--nav-active-bg);
    color: var(--nav-accent);
}

.mobile-menu-icon {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
        height: 60px;
    }

    .nav-links {
        display: none;
    }

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

    .nav-logo {
        width: 36px;
        height: 36px;
    }

    .nav-brand-text {
        font-size: 1.1rem;
    }

    .theme-toggle {
        width: 38px;
        height: 38px;
    }

    .theme-icon {
        width: 18px;
        height: 18px;
    }

    .auth-button {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .nav-brand-text {
        display: none;
    }

    .nav-actions {
        gap: 0.5rem;
    }

    .auth-button .user-name {
        max-width: 80px;
    }
}

/* ============================================
   Accessibility & Motion Preferences
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .main-nav {
        border-bottom-width: 3px;
    }

    .nav-link,
    .theme-toggle,
    .auth-button,
    .mobile-menu-toggle {
        border-width: 3px;
    }
}

/* Focus Visible for Keyboard Navigation */
.nav-link:focus-visible,
.theme-toggle:focus-visible,
.auth-button:focus-visible,
.mobile-menu-toggle:focus-visible {
    outline: 3px solid var(--nav-accent);
    outline-offset: 2px;
}