/**
 * Nurstar Login CSS Styles
 * All classes use ge40 prefix for namespace isolation
 */

/* CSS Variables for consistent theming */
:root {
    --ge40-primary: #7B68EE;
    --ge40-secondary: #FFE4B5;
    --ge40-accent: #0D1117;
    --ge40-bg: #F8F8FF;
    --ge40-text: #0D1117;
    --ge40-text-light: #F8F8FF;
    --ge40-gradient: linear-gradient(135deg, #7B68EE 0%, #FFE4B5 100%);
    --ge40-shadow: rgba(123, 104, 238, 0.2);
    --ge40-shadow-dark: rgba(13, 17, 23, 0.3);
    --ge40-border: rgba(123, 104, 238, 0.1);
    --ge40-radius: 12px;
    --ge40-radius-sm: 8px;
    --ge40-radius-lg: 16px;
    --ge40-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ge40-font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --ge40-font-mono: 'Fira Code', monospace;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%; /* 1rem = 10px */
    scroll-behavior: smooth;
}

body {
    font-family: var(--ge40-font-primary);
    font-size: 1.6rem;
    line-height: 1.5;
    color: var(--ge40-text);
    background: var(--ge40-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container and layout */
.ge40-container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1.6rem;
    position: relative;
}

.ge40-wrapper {
    min-height: 100vh;
    position: relative;
    padding-bottom: 8rem; /* Space for bottom nav on mobile */
}

.ge40-grid {
    display: grid;
    gap: 1.6rem;
}

.ge40-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ge40-flex-col {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* Typography */
.ge40-h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    background: var(--ge40-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.6rem;
}

.ge40-h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--ge40-primary);
    margin-bottom: 1.2rem;
    line-height: 1.3;
}

.ge40-h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--ge40-text);
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.ge40-text {
    font-size: 1.4rem;
    line-height: 1.6;
    color: var(--ge40-text);
    margin-bottom: 1.2rem;
}

.ge40-text-sm {
    font-size: 1.2rem;
    line-height: 1.5;
    color: var(--ge40-text);
}

.ge40-text-lg {
    font-size: 1.6rem;
    line-height: 1.5;
    color: var(--ge40-text);
}

/* Button styles */
.ge40-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2.4rem;
    font-size: 1.4rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--ge40-radius);
    cursor: pointer;
    transition: var(--ge40-transition);
    min-height: 4.4rem; /* Touch-friendly minimum height */
    position: relative;
    overflow: hidden;
}

.ge40-btn-primary {
    background: var(--ge40-gradient);
    color: var(--ge40-text-light);
    box-shadow: 0 4px 12px var(--ge40-shadow);
}

.ge40-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--ge40-shadow);
}

.ge40-btn-secondary {
    background: var(--ge40-bg);
    color: var(--ge40-primary);
    border: 2px solid var(--ge40-primary);
    box-shadow: 0 2px 8px var(--ge40-shadow);
}

.ge40-btn-secondary:hover {
    background: var(--ge40-primary);
    color: var(--ge40-text-light);
    transform: translateY(-2px);
}

.ge40-btn-small {
    padding: 0.8rem 1.6rem;
    font-size: 1.2rem;
    min-height: 3.2rem;
}

/* Header styles */
.ge40-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(248, 248, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ge40-border);
    padding: 1.2rem 0;
}

.ge40-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.6rem;
}

.ge40-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: var(--ge40-text);
    font-weight: 700;
    font-size: 1.8rem;
}

.ge40-logo-icon {
    width: 2.4rem;
    height: 2.4rem;
    background: var(--ge40-gradient);
    border-radius: var(--ge40-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ge40-text-light);
    font-size: 1.2rem;
}

.ge40-header-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.ge40-menu-toggle {
    background: none;
    border: none;
    color: var(--ge40-text);
    font-size: 2.4rem;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: var(--ge40-radius-sm);
    transition: var(--ge40-transition);
}

.ge40-menu-toggle:hover {
    background: var(--ge40-secondary);
}

/* Mobile menu */
.ge40-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--ge40-bg);
    z-index: 9999;
    transition: var(--ge40-transition);
    overflow-y: auto;
    padding: 2.4rem 1.6rem;
    box-shadow: -4px 0 20px var(--ge40-shadow-dark);
}

.ge40-mobile-menu.active {
    right: 0;
}

.ge40-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.4rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--ge40-border);
}

.ge40-menu-close {
    background: none;
    border: none;
    font-size: 2.4rem;
    cursor: pointer;
    color: var(--ge40-text);
    padding: 0.4rem;
    border-radius: var(--ge40-radius-sm);
    transition: var(--ge40-transition);
}

.ge40-menu-close:hover {
    background: var(--ge40-secondary);
}

.ge40-menu-nav {
    list-style: none;
}

.ge40-menu-item {
    margin-bottom: 0.8rem;
}

.ge40-menu-link {
    display: block;
    padding: 1.2rem 1.6rem;
    color: var(--ge40-text);
    text-decoration: none;
    border-radius: var(--ge40-radius-sm);
    transition: var(--ge40-transition);
    font-weight: 500;
}

.ge40-menu-link:hover {
    background: var(--ge40-secondary);
    color: var(--ge40-primary);
}

.ge40-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 17, 23, 0.6);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--ge40-transition);
}

.ge40-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Carousel styles */
.ge40-carousel {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--ge40-radius);
    margin: 1.6rem 0;
    box-shadow: 0 4px 16px var(--ge40-shadow);
}

.ge40-carousel-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.ge40-carousel-slide.active {
    opacity: 1;
}

.ge40-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ge40-carousel-indicators {
    position: absolute;
    bottom: 1.2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.8rem;
}

.ge40-carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(248, 248, 255, 0.5);
    cursor: pointer;
    transition: var(--ge40-transition);
}

.ge40-carousel-indicator.active {
    background: var(--ge40-primary);
    transform: scale(1.2);
}

/* Card styles */
.ge40-card {
    background: var(--ge40-bg);
    border-radius: var(--ge40-radius);
    padding: 2.4rem;
    box-shadow: 0 2px 12px var(--ge40-shadow);
    border: 1px solid var(--ge40-border);
    transition: var(--ge40-transition);
}

.ge40-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--ge40-shadow);
}

.ge40-card-header {
    margin-bottom: 1.6rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--ge40-border);
}

/* Game grid */
.ge40-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 1.2rem;
    margin: 1.6rem 0;
}

.ge40-game-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    transition: var(--ge40-transition);
    text-decoration: none;
    color: var(--ge40-text);
}

.ge40-game-item:hover {
    transform: translateY(-4px);
}

.ge40-game-icon {
    width: 6.4rem;
    height: 6.4rem;
    border-radius: var(--ge40-radius-sm);
    overflow: hidden;
    margin-bottom: 0.8rem;
    box-shadow: 0 2px 8px var(--ge40-shadow);
    transition: var(--ge40-transition);
}

.ge40-game-icon:hover {
    box-shadow: 0 4px 16px var(--ge40-shadow);
}

.ge40-game-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ge40-game-name {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--ge40-text);
    line-height: 1.3;
    max-width: 80px;
    word-break: break-word;
}

/* Bottom navigation */
.ge40-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6.4rem;
    background: var(--ge40-accent);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--ge40-border);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0.8rem 0;
}

.ge40-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 6rem;
    min-height: 5.6rem;
    padding: 0.4rem;
    text-decoration: none;
    color: var(--ge40-text-light);
    border-radius: var(--ge40-radius-sm);
    transition: var(--ge40-transition);
    cursor: pointer;
    position: relative;
}

.ge40-nav-item:hover {
    background: rgba(123, 104, 238, 0.2);
    transform: translateY(-2px);
}

.ge40-nav-item.active {
    color: var(--ge40-secondary);
    background: rgba(123, 104, 238, 0.3);
}

.ge40-nav-icon {
    font-size: 2.4rem;
    margin-bottom: 0.4rem;
    transition: var(--ge40-transition);
}

.ge40-nav-text {
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.2;
}

/* Footer styles */
.ge40-footer {
    background: var(--ge40-accent);
    color: var(--ge40-text-light);
    padding: 3.2rem 0 1.6rem;
    margin-top: 4.8rem;
    border-top: 1px solid var(--ge40-border);
}

.ge40-footer-content {
    margin-bottom: 2.4rem;
}

.ge40-partners {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.2rem;
    margin: 2.4rem 0;
}

.ge40-partner {
    width: 4.8rem;
    height: 4.8rem;
    background: var(--ge40-bg);
    border-radius: var(--ge40-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--ge40-shadow);
}

.ge40-partner img {
    width: 80%;
    height: 80%;
    object-fit: contain;
}

.ge40-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.6rem;
    margin: 1.6rem 0;
}

.ge40-footer-link {
    color: var(--ge40-text-light);
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--ge40-transition);
}

.ge40-footer-link:hover {
    color: var(--ge40-secondary);
}

.ge40-copyright {
    text-align: center;
    font-size: 1rem;
    color: rgba(248, 248, 255, 0.7);
    margin-top: 2.4rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--ge40-border);
}

/* Responsive design */
@media (max-width: 768px) {
    .ge40-wrapper {
        padding-bottom: 8rem; /* Space for bottom nav */
    }

    .ge40-h1 {
        font-size: 2.4rem;
    }

    .ge40-h2 {
        font-size: 2rem;
    }

    .ge40-card {
        padding: 2rem;
    }

    .ge40-game-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 1rem;
    }

    .ge40-game-icon {
        width: 5.6rem;
        height: 5.6rem;
    }

    .ge40-game-name {
        font-size: 1.1rem;
        max-width: 70px;
    }

    .ge40-carousel {
        height: 180px;
    }

    .ge40-bottom-nav {
        display: flex; /* Show on mobile */
    }
}

@media (min-width: 769px) {
    .ge40-bottom-nav {
        display: none; /* Hide on desktop */
    }

    .ge40-container {
        max-width: 1200px;
    }

    .ge40-game-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* Utility classes */
.ge40-text-center {
    text-align: center;
}

.ge40-text-left {
    text-align: left;
}

.ge40-text-right {
    text-align: right;
}

.ge40-mt-1 { margin-top: 0.8rem; }
.ge40-mt-2 { margin-top: 1.6rem; }
.ge40-mt-3 { margin-top: 2.4rem; }
.ge40-mb-1 { margin-bottom: 0.8rem; }
.ge40-mb-2 { margin-bottom: 1.6rem; }
.ge40-mb-3 { margin-bottom: 2.4rem; }

.ge40-hidden {
    display: none !important;
}

.ge40-visible {
    display: block !important;
}

/* Loading states */
.ge40-loading {
    position: relative;
    pointer-events: none;
}

.ge40-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2rem;
    height: 2rem;
    margin: -1rem 0 0 -1rem;
    border: 2px solid var(--ge40-border);
    border-top: 2px solid var(--ge40-primary);
    border-radius: 50%;
    animation: ge40-spin 1s linear infinite;
}

@keyframes ge40-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

/* Focus styles for accessibility */
.ge40-btn:focus,
.ge40-menu-toggle:focus,
.ge40-nav-item:focus,
.ge40-menu-link:focus {
    outline: 2px solid var(--ge40-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --ge40-shadow: rgba(13, 17, 23, 0.4);
        --ge40-border: rgba(13, 17, 23, 0.3);
    }
}