/**
 * LL777 - Main Theme Stylesheet
 * All classes prefixed with 'uif9-' to prevent conflicts
 * Mobile-first responsive design with max-width: 430px
 */

/* ===========================================
   CSS Variables - Color Palette
   =========================================== */
:root {
    /* Primary colors from specification */
    --uif9-dark: #808080;
    --uif9-light: #F0F0F0;
    --uif9-accent: #ECF0F1;
    --uif9-deep: #273746;

    /* Derived colors */
    --uif9-primary: #273746;
    --uif9-secondary: #ECF0F1;
    --uif9-success: #27ae60;
    --uif9-warning: #f39c12;
    --uif9-danger: #e74c3c;
    --uif9-info: #3498db;

    /* Text colors */
    --uif9-text-primary: #F0F0F0;
    --uif9-text-secondary: #ECF0F1;
    --uif9-text-muted: #808080;

    /* Background colors */
    --uif9-bg-primary: #273746;
    --uif9-bg-secondary: #808080;
    --uif9-bg-card: #1a2733;
    --uif9-bg-hover: #34495e;

    /* Spacing */
    --uif9-spacing-xs: 0.25rem;
    --uif9-spacing-sm: 0.5rem;
    --uif9-spacing-md: 1rem;
    --uif9-spacing-lg: 1.5rem;
    --uif9-spacing-xl: 2rem;

    /* Border radius */
    --uif9-radius-sm: 4px;
    --uif9-radius-md: 8px;
    --uif9-radius-lg: 12px;

    /* Transitions */
    --uif9-transition: all 0.3s ease;
}

/* ===========================================
   Reset & Base Styles
   =========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 1.4rem;
    line-height: 1.5;
    color: var(--uif9-text-primary);
    background-color: var(--uif9-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

body.uif9-loaded {
    animation: uif9-fadeIn 0.5s ease-in;
}

@keyframes uif9-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===========================================
   Layout Container
   =========================================== */
.uif9-container {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 var(--uif9-spacing-md);
    background-color: var(--uif9-bg-primary);
}

.uif9-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===========================================
   Header & Navigation
   =========================================== */
.uif9-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--uif9-deep) 0%, var(--uif9-dark) 100%);
    padding: var(--uif9-spacing-sm) var(--uif9-spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.uif9-header-inner {
    max-width: 430px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--uif9-spacing-sm);
}

.uif9-logo {
    display: flex;
    align-items: center;
    gap: var(--uif9-spacing-sm);
    text-decoration: none;
    color: var(--uif9-text-primary);
    font-size: 1.8rem;
    font-weight: 700;
}

.uif9-logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--uif9-radius-sm);
}

.uif9-header-buttons {
    display: flex;
    gap: var(--uif9-spacing-sm);
}

.uif9-btn {
    padding: var(--uif9-spacing-xs) var(--uif9-spacing-md);
    font-size: 1.2rem;
    font-weight: 600;
    border: none;
    border-radius: var(--uif9-radius-md);
    cursor: pointer;
    transition: var(--uif9-transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.uif9-btn-primary {
    background: linear-gradient(135deg, var(--uif9-success) 0%, #229954 100%);
    color: white;
}

.uif9-btn-secondary {
    background: linear-gradient(135deg, var(--uif9-info) 0%, #2980b9 100%);
    color: white;
}

.uif9-btn:hover,
.uif9-btn:active {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.uif9-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--uif9-spacing-xs);
    width: 32px;
    height: 32px;
}

.uif9-menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--uif9-text-primary);
    border-radius: 2px;
    transition: var(--uif9-transition);
}

/* ===========================================
   Mobile Menu
   =========================================== */
.uif9-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, var(--uif9-deep) 0%, var(--uif9-bg-primary) 100%);
    z-index: 9999;
    padding: var(--uif9-spacing-xl) var(--uif9-spacing-md);
    transition: right 0.3s ease;
    overflow-y: auto;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.5);
}

.uif9-mobile-menu.uif9-menu-open {
    right: 0;
}

.uif9-menu-close {
    position: absolute;
    top: var(--uif9-spacing-md);
    right: var(--uif9-spacing-md);
    background: none;
    border: none;
    color: var(--uif9-text-primary);
    font-size: 2.4rem;
    cursor: pointer;
    padding: var(--uif9-spacing-sm);
}

.uif9-menu-list {
    list-style: none;
    margin-top: var(--uif9-spacing-xl);
}

.uif9-menu-list li {
    margin-bottom: var(--uif9-spacing-sm);
}

.uif9-menu-list a {
    display: block;
    padding: var(--uif9-spacing-md);
    color: var(--uif9-text-primary);
    text-decoration: none;
    border-radius: var(--uif9-radius-md);
    transition: var(--uif9-transition);
    font-size: 1.4rem;
}

.uif9-menu-list a:hover {
    background-color: var(--uif9-bg-hover);
    transform: translateX(4px);
}

.uif9-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--uif9-transition);
}

.uif9-menu-overlay.uif9-overlay-active {
    opacity: 1;
    visibility: visible;
}

/* ===========================================
   Main Content
   =========================================== */
.uif9-main {
    margin-top: 56px;
    margin-bottom: 80px;
    min-height: calc(100vh - 136px);
}

.uif9-main > *:first-child {
    margin-top: 0;
}

/* ===========================================
   Carousel
   =========================================== */
.uif9-carousel {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--uif9-radius-lg);
    margin-bottom: var(--uif9-spacing-lg);
}

.uif9-carousel-slides {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease;
}

.uif9-carousel-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

.uif9-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uif9-carousel-slide.uif9-slide-active {
    display: block;
}

.uif9-carousel-dots {
    position: absolute;
    bottom: var(--uif9-spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--uif9-spacing-sm);
}

.uif9-carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(240, 240, 240, 0.5);
    cursor: pointer;
    transition: var(--uif9-transition);
}

.uif9-carousel-dot.uif9-dot-active {
    background-color: var(--uif9-text-primary);
    transform: scale(1.3);
}

/* ===========================================
   Cards & Grid
   =========================================== */
.uif9-card {
    background: linear-gradient(135deg, var(--uif9-bg-card) 0%, var(--uif9-bg-secondary) 100%);
    border-radius: var(--uif9-radius-lg);
    padding: var(--uif9-spacing-lg);
    margin-bottom: var(--uif9-spacing-lg);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.uif9-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--uif9-text-primary);
    margin-bottom: var(--uif9-spacing-md);
    text-align: center;
}

.uif9-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--uif9-spacing-sm);
}

.uif9-grid-item {
    position: relative;
    border-radius: var(--uif9-radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--uif9-transition);
}

.uif9-grid-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.uif9-grid-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
}

.uif9-grid-item-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(39, 55, 70, 0.95), transparent);
    color: var(--uif9-text-primary);
    font-size: 0.9rem;
    padding: var(--uif9-spacing-xs) var(--uif9-spacing-xs);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===========================================
   Typography
   =========================================== */
.uif9-h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--uif9-text-primary);
    margin-bottom: var(--uif9-spacing-md);
    text-align: center;
}

.uif9-h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--uif9-text-primary);
    margin-bottom: var(--uif9-spacing-sm);
    margin-top: var(--uif9-spacing-lg);
}

.uif9-h3 {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--uif9-text-secondary);
    margin-bottom: var(--uif9-spacing-sm);
}

.uif9-p {
    margin-bottom: var(--uif9-spacing-md);
    color: var(--uif9-text-secondary);
    text-align: justify;
}

.uif9-link {
    color: var(--uif9-info);
    text-decoration: none;
    font-weight: 600;
    transition: var(--uif9-transition);
}

.uif9-link:hover {
    color: var(--uif9-text-primary);
    text-decoration: underline;
}

/* ===========================================
   Footer
   =========================================== */
.uif9-footer {
    background: linear-gradient(135deg, var(--uif9-dark) 0%, var(--uif9-bg-secondary) 100%);
    padding: var(--uif9-spacing-xl) var(--uif9-spacing-md);
    margin-top: var(--uif9-spacing-xl);
}

.uif9-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--uif9-spacing-sm);
    margin-bottom: var(--uif9-spacing-lg);
}

.uif9-footer-link {
    color: var(--uif9-text-secondary);
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--uif9-transition);
}

.uif9-footer-link:hover {
    color: var(--uif9-text-primary);
}

.uif9-partners {
    display: flex;
    flex-wrap: wrap;
    gap: var(--uif9-spacing-md);
    justify-content: center;
    margin-bottom: var(--uif9-spacing-lg);
}

.uif9-partner-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    opacity: 0.8;
    transition: var(--uif9-transition);
}

.uif9-partner-logo:hover {
    opacity: 1;
    transform: scale(1.1);
}

.uif9-copyright {
    text-align: center;
    color: var(--uif9-text-muted);
    font-size: 1.2rem;
    margin-top: var(--uif9-spacing-lg);
}

/* ===========================================
   Bottom Navigation (Mobile Only)
   =========================================== */
.uif9-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: linear-gradient(135deg, var(--uif9-deep) 0%, var(--uif9-dark) 100%);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.3);
    padding: 0 var(--uif9-spacing-sm);
}

.uif9-bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 60px;
    text-decoration: none;
    color: var(--uif9-text-secondary);
    transition: var(--uif9-transition);
    border-radius: var(--uif9-radius-md);
    padding: var(--uif9-spacing-xs);
    cursor: pointer;
}

.uif9-bottom-nav-item:hover {
    background-color: var(--uif9-bg-hover);
    transform: scale(1.05);
}

.uif9-bottom-nav-item.uif9-nav-active {
    color: var(--uif9-text-primary);
    background-color: var(--uif9-bg-hover);
}

.uif9-bottom-nav-icon {
    font-size: 24px;
    margin-bottom: 4px;
}

.uif9-bottom-nav-text {
    font-size: 10px;
    font-weight: 600;
    text-align: center;
}

/* Hide bottom nav on desktop */
@media (min-width: 769px) {
    .uif9-bottom-nav {
        display: none;
    }

    .uif9-main {
        margin-bottom: 0;
    }
}

/* ===========================================
   Animations
   =========================================== */
.uif9-animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.uif9-animate-visible {
    opacity: 1;
    transform: translateY(0);
}

.uif9-touch-active {
    transform: scale(0.95);
}

/* ===========================================
   Utilities
   =========================================== */
.uif9-text-center {
    text-align: center;
}

.uif9-mb-md {
    margin-bottom: var(--uif9-spacing-md);
}

.uif9-mb-lg {
    margin-bottom: var(--uif9-spacing-lg);
}

.uif9-hidden {
    display: none;
}

/* ===========================================
   Responsive Adjustments
   =========================================== */
@media (max-width: 768px) {
    .uif9-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .uif9-carousel {
        height: 180px;
    }
}

@media (max-width: 375px) {
    .uif9-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .uif9-section-title {
        font-size: 1.6rem;
    }
}