/* ===== RESPONSIVE DESIGN ===== */

/* Mobile First Approach */
/* Base styles are for mobile devices */

/* ===== BREAKPOINTS ===== */
/* 
- xs: 0px - 575px (Extra small devices - phones)
- sm: 576px - 767px (Small devices - landscape phones)
- md: 768px - 991px (Medium devices - tablets)
- lg: 992px - 1199px (Large devices - desktops)
- xl: 1200px+ (Extra large devices - large desktops)
*/

/* ===== EXTRA SMALL DEVICES (0px - 575px) ===== */
@media (max-width: 575px) {
    :root {
        --spacing-xs: 0.2rem;
        --spacing-sm: 0.4rem;
        --spacing-md: 0.8rem;
        --spacing-lg: 1.2rem;
        --spacing-xl: 1.6rem;
        --spacing-xxl: 2rem;
    }

    html {
        font-size: 14px;
    }

    .main-container {
        padding: var(--spacing-md);
    }

    .container {
        padding: var(--spacing-lg);
        margin: var(--spacing-sm);
    }

    .main-title {
        font-size: 1.2rem;
        letter-spacing: 1px;
        flex-direction: column;
        text-align: center;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .logo {
        width: 60px;
        height: 60px;
    }

    .logo .logo-text {
        font-size: 1.4rem;
    }

    .ring-1 {
        width: 80px;
        height: 80px;
        top: -40px;
        left: -40px;
    }

    .ring-2 {
        width: 100px;
        height: 100px;
        top: -50px;
        left: -50px;
    }

    .ring-3 {
        width: 120px;
        height: 120px;
        top: -60px;
        left: -60px;
    }

    .input-wrapper input {
        padding: var(--spacing-md);
        font-size: 0.9rem;
    }

    .access-btn {
        padding: var(--spacing-md);
        font-size: 0.9rem;
    }

    .nav-container {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }

    .nav-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }

    .nav-btn span {
        display: none;
    }

    .social-buttons {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }

    .social-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .games-menu {
        width: calc(100vw - 2rem);
        right: var(--spacing-md);
        left: var(--spacing-md);
        bottom: 120px;
    }

    .game-id-container {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }

    .admin-panel {
        padding: var(--spacing-lg);
        margin-top: var(--spacing-lg);
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .security-controls .input-wrapper {
        flex-direction: column;
    }

    .security-btn {
        width: 100%;
        justify-content: center;
    }

    .notification {
        min-width: calc(100vw - 2rem);
        margin: 0 var(--spacing-md);
    }

    .back-btn {
        top: var(--spacing-md);
        left: var(--spacing-md);
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .loading-logo .logo-circle {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .loading-text h2 {
        font-size: 1.2rem;
    }

    .loading-bar {
        width: 150px;
    }
}

/* ===== SMALL DEVICES (576px - 767px) ===== */
@media (min-width: 576px) and (max-width: 767px) {
    .container {
        max-width: 400px;
        padding: var(--spacing-xl);
    }

    .main-title {
        font-size: 1.4rem;
    }

    .games-menu {
        width: 280px;
        right: var(--spacing-lg);
    }

    .nav-container {
        flex-direction: row;
    }

    .nav-btn span {
        display: inline;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .security-controls .input-wrapper {
        flex-direction: row;
    }

    .notification {
        min-width: 320px;
    }
}

/* ===== MEDIUM DEVICES (768px - 991px) ===== */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        max-width: 500px;
    }

    .main-title {
        font-size: 1.6rem;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .admin-panel {
        padding: var(--spacing-xl);
    }

    .game-id-container {
        max-width: 450px;
    }

    /* Tablet specific adjustments */
    .social-buttons {
        bottom: var(--spacing-xl);
        right: var(--spacing-xl);
    }

    .games-menu {
        bottom: 160px;
    }

    /* Touch-friendly sizing */
    .nav-btn,
    .access-btn,
    .admin-btn,
    .security-btn {
        min-height: 44px; /* iOS recommended touch target */
    }

    .social-btn {
        width: 56px;
        height: 56px;
    }
}

/* ===== LARGE DEVICES (992px - 1199px) ===== */
@media (min-width: 992px) and (max-width: 1199px) {
    .container {
        max-width: 600px;
    }

    .main-title {
        font-size: 1.8rem;
    }

    .nav-container {
        max-width: 1000px;
    }

    .admin-panel {
        padding: var(--spacing-xxl);
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Desktop hover effects */
    .hover-effects-enabled .nav-btn:hover,
    .hover-effects-enabled .access-btn:hover,
    .hover-effects-enabled .social-btn:hover {
        transform: translateY(-2px);
    }
}

/* ===== EXTRA LARGE DEVICES (1200px+) ===== */
@media (min-width: 1200px) {
    .container {
        max-width: 700px;
    }

    .nav-container {
        max-width: 1200px;
    }

    .main-title {
        font-size: 2rem;
    }

    .admin-panel {
        padding: var(--spacing-xxl);
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Large screen specific features */
    .background-effects {
        opacity: 1;
    }

    .particle-system {
        display: block;
    }
}

/* ===== LANDSCAPE ORIENTATION ===== */
@media (orientation: landscape) and (max-height: 600px) {
    .main-container {
        padding: var(--spacing-sm);
    }

    .container {
        padding: var(--spacing-lg);
        max-height: 90vh;
        overflow-y: auto;
    }

    .logo-section {
        margin-bottom: var(--spacing-md);
    }

    .title-section {
        margin-bottom: var(--spacing-md);
    }

    .logo {
        width: 50px;
        height: 50px;
    }

    .logo .logo-text {
        font-size: 1.2rem;
    }

    .main-title {
        font-size: 1.2rem;
    }

    .ring-1,
    .ring-2,
    .ring-3 {
        display: none;
    }

    .admin-panel {
        margin-top: var(--spacing-md);
        padding: var(--spacing-md);
    }
}

/* ===== HIGH DPI DISPLAYS ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo,
    .social-btn,
    .nav-btn {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    /* Sharper borders for high DPI */
    .container,
    .input-wrapper input,
    .access-btn {
        border-width: 0.5px;
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .stars,
    .floating-particles,
    .particle-system,
    .matrix-rain {
        display: none;
    }

    .logo-glow,
    .ring-1,
    .ring-2,
    .ring-3 {
        animation: none;
    }

    .typing-dots .dot {
        animation: none;
        opacity: 1;
    }
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
    /* Already using dark theme by default */
}

/* ===== LIGHT MODE OVERRIDE ===== */
.light-mode {
    --primary-dark: #ffffff;
    --secondary-dark: #f8f9fa;
    --tertiary-dark: #e9ecef;
    --accent-gray: #dee2e6;
    --highlight-gray: #adb5bd;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;
}

.light-mode .container {
    background: rgba(248, 249, 250, 0.9);
    border-color: var(--accent-gray);
}

.light-mode .input-wrapper input {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-primary);
}

.light-mode .admin-panel {
    background: rgba(255, 255, 255, 0.8);
}

/* ===== PRINT STYLES ===== */
@media print {
    .background-effects,
    .social-buttons,
    .games-menu,
    .main-nav,
    .back-btn,
    .notification-container {
        display: none !important;
    }

    .container {
        background: white;
        border: 1px solid #000;
        box-shadow: none;
        page-break-inside: avoid;
    }

    .main-title {
        color: #000;
        background: none;
        -webkit-text-fill-color: initial;
    }

    .access-btn {
        background: #000;
        color: white;
    }
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */

/* Focus indicators */
@media (any-hover: none) {
    .nav-btn:focus,
    .access-btn:focus,
    .social-btn:focus,
    .input-wrapper input:focus {
        outline: 2px solid var(--brand-primary);
        outline-offset: 2px;
    }
}

/* Touch device optimizations */
@media (any-hover: none) {
    .hover-lift:hover,
    .hover-glow:hover,
    .hover-scale:hover,
    .hover-rotate:hover {
        transform: none;
        box-shadow: none;
    }

    .nav-btn,
    .access-btn,
    .social-btn,
    .security-btn,
    .game-option {
        min-height: 44px;
        min-width: 44px;
    }

    .social-buttons {
        gap: var(--spacing-lg);
    }
}

/* ===== CONTAINER QUERIES (Future-proofing) ===== */
@supports (container-type: inline-size) {
    .container {
        container-type: inline-size;
    }

    @container (max-width: 400px) {
        .stats-grid {
            grid-template-columns: 1fr;
        }
    }

    @container (min-width: 500px) {
        .stats-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }
}

/* ===== UTILITY CLASSES FOR RESPONSIVE DESIGN ===== */

/* Display utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Responsive display utilities */
@media (max-width: 575px) {
    .d-xs-none { display: none !important; }
    .d-xs-block { display: block !important; }
    .d-xs-flex { display: flex !important; }
}

@media (min-width: 576px) {
    .d-sm-none { display: none !important; }
    .d-sm-block { display: block !important; }
    .d-sm-flex { display: flex !important; }
}

@media (min-width: 768px) {
    .d-md-none { display: none !important; }
    .d-md-block { display: block !important; }
    .d-md-flex { display: flex !important; }
}

@media (min-width: 992px) {
    .d-lg-none { display: none !important; }
    .d-lg-block { display: block !important; }
    .d-lg-flex { display: flex !important; }
}

@media (min-width: 1200px) {
    .d-xl-none { display: none !important; }
    .d-xl-block { display: block !important; }
    .d-xl-flex { display: flex !important; }
}

/* Text alignment utilities */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

@media (max-width: 575px) {
    .text-xs-center { text-align: center !important; }
}

@media (min-width: 576px) {
    .text-sm-left { text-align: left !important; }
    .text-sm-center { text-align: center !important; }
    .text-sm-right { text-align: right !important; }
}

/* Spacing utilities */
.m-0 { margin: 0 !important; }
.p-0 { padding: 0 !important; }

.m-auto { margin: auto !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.my-auto { margin-top: auto !important; margin-bottom: auto !important; }

/* Responsive spacing */
@media (max-width: 575px) {
    .p-xs-1 { padding: var(--spacing-sm) !important; }
    .m-xs-1 { margin: var(--spacing-sm) !important; }
}

@media (min-width: 576px) {
    .p-sm-2 { padding: var(--spacing-md) !important; }
    .m-sm-2 { margin: var(--spacing-md) !important; }
}

/* Width utilities */
.w-100 { width: 100% !important; }
.w-75 { width: 75% !important; }
.w-50 { width: 50% !important; }
.w-25 { width: 25% !important; }

/* Height utilities */
.h-100 { height: 100% !important; }
.vh-100 { height: 100vh !important; }

/* Flexbox utilities */
.flex-column { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-center { align-items: center !important; }
.align-items-start { align-items: flex-start !important; }

/* Responsive flexbox */
@media (max-width: 575px) {
    .flex-xs-column { flex-direction: column !important; }
}

@media (min-width: 576px) {
    .flex-sm-row { flex-direction: row !important; }
}