/* Hamburger Navigation Menu - Shared Styles */
/* Include in pages: <link rel="stylesheet" href="/static/css/nav_hamburger.css"> */

/* CSS Variables (fallbacks if not defined in page) */
:root {
    --nav-bg-primary: #ffffff;
    --nav-bg-secondary: #f8fafc;
    --nav-text-primary: #1e293b;
    --nav-text-secondary: #64748b;
    --nav-border-color: #e2e8f0;
    --nav-primary-ocean: #0ea5e9;
    --nav-ocean-accent: #22d3ee;
    --nav-bg-ocean-gradient: linear-gradient(135deg, #0ea5e9 0%, #22d3ee 100%);
    --nav-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --nav-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --nav-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --nav-border-radius: 12px;
    --nav-spacing-sm: 0.5rem;
    --nav-spacing-md: 1rem;
    --nav-spacing-lg: 1.5rem;
}

.hamburger-container {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 9999 !important;
    pointer-events: auto;
}

.hamburger-button {
    background: var(--nav-bg-ocean-gradient, var(--bg-ocean-gradient, linear-gradient(135deg, #0ea5e9 0%, #22d3ee 100%))) !important;
    border: none;
    border-radius: var(--nav-border-radius, var(--border-radius, 12px));
    padding: 0.75rem;
    cursor: pointer;
    box-shadow: var(--nav-shadow-md, var(--shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1)));
    transition: all 0.3s ease;
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    opacity: 1 !important;
    visibility: visible !important;
    width: 44px;
    height: 44px;
}

.hamburger-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--nav-shadow-lg, var(--shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.1)));
}

.hamburger-icon {
    width: 24px;
    height: 18px;
    position: relative;
    transform: rotate(0deg);
    transition: .5s ease-in-out;
}

.hamburger-icon span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: white;
    border-radius: 9px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .25s ease-in-out;
}

.hamburger-icon span:nth-child(1) {
    top: 0px;
}

.hamburger-icon span:nth-child(2) {
    top: 7px;
}

.hamburger-icon span:nth-child(3) {
    top: 14px;
}

.hamburger-button.active .hamburger-icon span:nth-child(1) {
    top: 7px;
    transform: rotate(135deg);
}

.hamburger-button.active .hamburger-icon span:nth-child(2) {
    opacity: 0;
    left: -60px;
}

.hamburger-button.active .hamburger-icon span:nth-child(3) {
    top: 7px;
    transform: rotate(-135deg);
}

.hamburger-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: var(--nav-bg-primary, var(--bg-primary, #ffffff));
    box-shadow: var(--nav-shadow-xl, var(--shadow-xl, 0 20px 25px -5px rgba(0, 0, 0, 0.1)));
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    overflow-y: auto;
    padding-top: 4rem;
}

.hamburger-nav.active {
    transform: translateX(0);
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.nav-header {
    padding: var(--nav-spacing-lg, var(--spacing-lg, 1.5rem));
    border-bottom: 1px solid var(--nav-border-color, var(--border-color, #e2e8f0));
    background: var(--nav-bg-ocean-gradient, var(--bg-ocean-gradient, linear-gradient(135deg, #0ea5e9 0%, #22d3ee 100%)));
    color: white;
}

.nav-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.nav-header p {
    margin: 0.25rem 0 0 0;
    font-size: 0.875rem;
    opacity: 0.9;
}

.nav-links {
    padding: var(--nav-spacing-md, var(--spacing-md, 1rem)) 0;
}

.nav-section {
    margin-bottom: var(--nav-spacing-lg, var(--spacing-lg, 1.5rem));
}

.nav-section-title {
    padding: var(--nav-spacing-sm, var(--spacing-sm, 0.5rem)) var(--nav-spacing-lg, var(--spacing-lg, 1.5rem));
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--nav-text-secondary, var(--text-secondary, #64748b));
    border-bottom: 1px solid var(--nav-border-color, var(--border-color, #e2e8f0));
    margin-bottom: var(--nav-spacing-sm, var(--spacing-sm, 0.5rem));
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--nav-spacing-md, var(--spacing-md, 1rem));
    padding: var(--nav-spacing-sm, var(--spacing-sm, 0.5rem)) var(--nav-spacing-lg, var(--spacing-lg, 1.5rem));
    color: var(--nav-text-primary, var(--text-primary, #1e293b));
    text-decoration: none;
    transition: all 0.2s ease;
    min-height: 44px;
}

.nav-link:hover {
    background: var(--nav-bg-secondary, var(--bg-secondary, #f8fafc));
    color: var(--nav-primary-ocean, var(--primary-ocean, #0ea5e9));
}

.nav-link.active {
    background: var(--nav-bg-ocean-gradient, var(--bg-ocean-gradient, linear-gradient(135deg, #0ea5e9 0%, #22d3ee 100%)));
    color: white;
    border-right: 3px solid var(--nav-ocean-accent, var(--ocean-accent, #22d3ee));
}

.nav-link i {
    width: 1.25rem;
    text-align: center;
    font-size: 1rem;
}

.nav-link span {
    font-weight: 500;
}

.nav-tag {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    border: 1px solid #fdba74;
    background: #fff7ed;
    color: #9a3412;
}

/* Mobile adjustments for navigation */
@media (max-width: 768px) {
    .hamburger-container {
        top: 0.5rem;
        left: 0.5rem;
        z-index: 9999 !important;
    }

    .hamburger-button {
        background: #0ea5e9 !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
        border: 2px solid white !important;
    }

    .hamburger-nav {
        width: calc(100vw - 2rem);
        max-width: 320px;
    }
}

@media (max-width: 400px) {
    .hamburger-container {
        top: 0.25rem;
        left: 0.25rem;
    }

    .hamburger-nav {
        width: 100vw;
        max-width: none;
    }
}