/*
    File: responsive.css
    Version: 0.1.0-alpha
    Last Modified: 2025-12-22
    
    Description:
    Responsive design breakpoints and media queries. Uses mobile-first approach.
    
    Breakpoints:
    - Mobile: < 768px
    - Tablet: 768px - 1024px
    - Desktop: > 1024px
    
    Changes in 0.1.0-alpha:
    - Initial responsive design implementation
    - Mobile-first approach
    - Navigation adjustments
    - Grid layout responsiveness
    - Form scaling
*/

/* ===================================
   MOBILE LAYOUT (< 768px)
   =================================== */

@media (max-width: 767px) {
    /* Navigation */
    .navbar-toggle {
        display: block;
    }
    
    .navbar-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--color-primary-blue);
        flex-direction: column;
        gap: 0;
        z-index: 1000;
    }

    .navbar-menu.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        padding: var(--spacing-lg) var(--spacing-md);
        border-bottom: var(--border-width-thin) solid rgba(255, 255, 255, 0.1);
    }

    .nav-login, .nav-logout, .nav-admin {
        display: block;
        width: 100%;
        text-align: left;
        padding: var(--spacing-lg) var(--spacing-md);
        border-bottom: var(--border-width-thin) solid rgba(255, 255, 255, 0.1);
    }

    /* Main content */
    .main-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    /* Typography */
    h1 {
        font-size: var(--font-size-2xl);
    }
    
    h2 {
        font-size: var(--font-size-xl);
    }
    
    /* Hero */
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .hero-content h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero-content p {
        font-size: var(--font-size-base);
    }
    
    /* Grids */
    .events-grid, .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Cards */
    .event-card, .blog-card, .profile-card, .alerts-card {
        padding: var(--spacing-md);
    }
    
    /* Forms */
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .alert-preference {
        flex-wrap: wrap;
    }
    
    .alert-preference select {
        width: 100%;
    }
    
    /* Buttons */
    .btn {
        width: 100%;
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .btn-sm {
        width: auto;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Events */
    .event-item {
        flex-direction: column;
    }

    .event-item .event-date {
        flex-direction: row;
        gap: var(--spacing-sm);
        min-width: auto;
        width: fit-content;
    }

    .event-calendar-links {
        flex-direction: column;
    }

    .event-calendar-links .btn {
        width: 100%;
        text-align: center;
    }
    
    /* Login/Portal */
    .login-container, .portal-container {
        padding: 0;
        border: none;
        box-shadow: none;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .footer-content p {
        font-size: var(--font-size-sm);
    }
}

/* ===================================
   TABLET LAYOUT (768px - 1024px)
   =================================== */

@media (min-width: 768px) and (max-width: 1024px) {
    .main-content {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    /* Grids */
    .events-grid, .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    /* Navigation */
    .navbar-toggle {
        display: none;
    }
    
    .navbar-menu {
        gap: var(--spacing-md);
    }
    
    /* Hero */
    .hero {
        padding: var(--spacing-2xl) var(--spacing-xl);
    }
}

/* ===================================
   DESKTOP LAYOUT (> 1024px)
   =================================== */

@media (min-width: 1025px) {
    .main-content {
        padding: var(--spacing-xl);
    }
    
    /* Navigation */
    .navbar-toggle {
        display: none;
    }
    
    .navbar-menu {
        gap: var(--spacing-lg);
    }
    
    /* Grids */
    .events-grid, .blog-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--spacing-xl);
    }
}

/* ===================================
   PORTRAIT ORIENTATION (Mobile)
   =================================== */

@media (max-aspect-ratio: 1/1) and (max-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .hero-content h1 {
        font-size: var(--font-size-2xl);
    }
}

/* ===================================
   LANDSCAPE ORIENTATION (Mobile)
   =================================== */

@media (min-aspect-ratio: 1/1) and (max-height: 500px) {
    .navbar {
        position: relative;
    }
    
    .navbar-menu {
        position: static;
        max-height: 100%;
    }
    
    .hero {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .page-section {
        padding: var(--spacing-lg) 0;
    }
}

/* ===================================
   HIGH DPI DISPLAYS (Retina)
   =================================== */

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Use 4x logo on high-DPI displays */
    .logo {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* ===================================
   PRINT STYLES
   =================================== */

@media print {
    .navbar, .footer {
        display: none;
    }
    
    .main-content {
        max-width: 100%;
    }
    
    a {
        color: var(--color-primary-blue);
        text-decoration: underline;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .event-card, .blog-card {
        page-break-inside: avoid;
    }
}

/* ===================================
   DARK MODE (if supported)
   =================================== */

@media (prefers-color-scheme: dark) {
    /* Optional: Add dark mode support here */
    /* Currently using light theme only */
}

/* ===================================
   ACCESSIBILITY: FOCUS
   =================================== */

@media (prefers-reduced-motion: no-preference) {
    :focus-visible {
        outline: 3px solid var(--color-primary-gold);
    }
}

/* ===================================
   ACCESSIBILITY: HIGH CONTRAST
   =================================== */

@media (prefers-contrast: more) {
    .navbar {
        border-bottom: var(--border-width-medium) solid var(--color-primary-gold);
    }
    
    .btn-primary {
        border: var(--border-width-thin) solid var(--color-neutral-white);
    }
    
    .btn-secondary {
        border: var(--border-width-thin) solid var(--color-primary-blue);
    }
}

/* ===================================
   LARGE SCREEN OPTIMIZATION (4K)
   =================================== */

@media (min-width: 2560px) {
    :root {
        font-size: 18px;
    }
    
    .max-width {
        max-width: 1600px;
    }
    
    .events-grid, .blog-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}