/* =========================================
   1. Reset & Core Variables
   ========================================= */
:root {
    /* Colors - Dark Gaming Theme */
    --c-bg-body: #0b0e14;
    --c-bg-paper: #151a23;
    --c-bg-overlay: rgba(11, 14, 20, 0.8);
    
    --c-primary: #6c5ce7;
    --c-primary-hover: #5b4cc4;
    --c-secondary: #00cec9;
    --c-accent: #fdcb6e;
    --c-danger: #ff7675;
    --c-success: #00b894;

    --c-text-main: #ffffff;
    --c-text-secondary: #a4b0be;
    --c-text-muted: #636e72;

    --g-fancy: linear-gradient(135deg, #a29bfe 0%, #6c5ce7 100%);
    --g-card: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
    --g-skeleton: linear-gradient(90deg, #1f2530 25%, #2a303c 50%, #1f2530 75%);

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --fs-xs: clamp(0.75rem, 1vw, 0.875rem);
    --fs-s: clamp(0.875rem, 1.2vw, 1rem);
    --fs-m: clamp(1rem, 1.5vw, 1.125rem);
    --fs-l: clamp(1.25rem, 2vw, 1.5rem);
    --fs-xl: clamp(1.5rem, 2.5vw, 2rem);

    /* Spacing & Layout */
    --spacing-unit: 0.25rem;
    --container-width: 1440px;
    --header-height: 4.5rem;
    --radius-s: 0.5rem;
    --radius-m: 1rem;
    --radius-l: 1.5rem;

    /* Effects */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 15px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(108, 92, 231, 0.4);
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--c-bg-body);
    color: var(--c-text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

svg {
    display: block;
}

/* =========================================
   2. Typography Helpers
   ========================================= */
.ui-typography {
    color: var(--c-text-main);
}

.ui-typography_size_m { font-size: var(--fs-m); }
.ui-typography_size_l { font-size: var(--fs-l); font-weight: 700; }
.ui-typography_size_xs { font-size: var(--fs-xs); }

.ui-typography_transforms_uppercase {
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ui-typography_strong {
    font-weight: 700;
}

.ui-typography_kind_secondary-13,
.ui-typography_kind_secondary-17 {
    color: var(--c-text-main); /* Override default HTML classes for consistency */
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* =========================================
   3. Header & Navigation
   ========================================= */
.ui-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(11, 14, 20, 0.85);
    backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.ui-header__wrapper {
    max-width: var(--container-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
}

.ui-header__container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.ui-logo {
    display: block;
    width: 120px;
    height: 40px;
    background-image: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
    mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 30"><text x="0" y="25" font-family="sans-serif" font-weight="900" font-size="25">CASINO</text></svg>');
    mask-repeat: no-repeat;
    mask-size: contain;
    background-color: white; /* Fallback */
}

.ui-header__menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.ui-header__item a {
    color: var(--c-text-secondary);
    font-weight: 500;
    font-size: var(--fs-s);
}

.ui-header__item a:hover {
    color: var(--c-text-main);
}

/* Hamburger & Icons */
.ui-icon {
    width: 1.5rem;
    height: 1.5rem;
    fill: currentColor;
    transition: var(--transition-fast);
}

.ui-header__button {
    color: var(--c-text-main);
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.ui-header__button:hover {
    background: rgba(255,255,255,0.1);
    color: var(--c-accent);
}

/* Tabs Menu under Header */
.head-tabs-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--c-bg-body);
    z-index: 90;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    overflow-x: auto;
}

.ui-head-tabs {
    display: flex;
    justify-content: center;
    gap: 2rem;
    min-width: max-content;
    padding: 0 1.5rem;
}

.ui-head-tabs__item {
    padding: 0.75rem 0;
    position: relative;
    color: var(--c-text-secondary);
}

.ui-head-tabs__item:hover {
    color: var(--c-text-main);
}

.ui-head-tabs__item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--c-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.ui-head-tabs__item:hover::after {
    transform: scaleX(1);
}

/* =========================================
   4. Side Menu (Off-canvas)
   ========================================= */
.ui-side-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 200;
    visibility: hidden;
    transition: visibility 0.3s;
}

.ui-side-menu.ui-side-menu_opened {
    visibility: visible;
}

.ui-side-menu__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    opacity: 0;
    transition: opacity 0.3s;
    backdrop-filter: blur(4px);
}

.ui-side-menu.ui-side-menu_opened .ui-side-menu__overlay {
    opacity: 1;
}

.ui-side-menu__aside {
    position: relative;
    width: 300px;
    height: 100%;
    background: var(--c-bg-paper);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 20px rgba(0,0,0,0.3);
}

.ui-side-menu.ui-side-menu_opened .ui-side-menu__aside {
    transform: translateX(0);
}

.ui-side-menu__content {
    padding: 2rem;
    flex: 1;
    overflow-y: auto;
}

.ui-side-menu__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.side-menu-sections {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.side-menu-sections__link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-s);
    color: var(--c-text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
}

.side-menu-sections__link:hover {
    background: rgba(255,255,255,0.05);
    color: var(--c-text-main);
    transform: translateX(5px);
}

.ui-side-menu__bottom {
    padding: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* =========================================
   5. Buttons
   ========================================= */
.ui-button-base {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-m);
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.ui-button_kind_primary {
    background-color: var(--c-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.ui-button_kind_primary:hover {
    background-color: var(--c-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.5);
}

.ui-button_kind_fancy {
    background: var(--g-fancy);
    color: #fff;
    border: 1px solid transparent;
}

.ui-button_kind_fancy:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 15px rgba(162, 155, 254, 0.5);
    transform: scale(1.05);
}

.ui-button_kind_link {
    background: transparent;
    color: var(--c-text-secondary);
    padding: 0.5rem;
}

.ui-button_kind_link:hover {
    color: var(--c-text-main);
}

.ui-button_size_s {
    padding: 0.5rem 1rem;
    font-size: var(--fs-s);
}

.ui-button_size_l {
    padding: 1rem 2rem;
    font-size: var(--fs-m);
}

/* =========================================
   6. Main Layout & Page Container
   ========================================= */
#page-container {
    margin-top: calc(var(--header-height) + 3.5rem); /* Header + Tabs height */
    padding-bottom: 4rem;
    min-height: 100vh;
}

.home-page {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.page-layout {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

/* =========================================
   7. Banners Slider
   ========================================= */
.banner-slider {
    margin-top: 2rem;
    border-radius: var(--radius-l);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.swiper {
    width: 100%;
    position: relative;
}

.ui-main-banner {
    position: relative;
    min-height: 300px;
    background: var(--c-bg-paper);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.ui-main-banner_color_gradient-2 {
    background: radial-gradient(circle at top right, #2d3436 0%, #000000 100%);
}

.ui-main-banner__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 3rem;
    z-index: 2;
}

.ui-main-banner__inner-description {
    max-width: 50%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.ui-main-banner__title p {
    font-size: var(--fs-xl);
    line-height: 1.2;
    background: linear-gradient(to right, #fff, #a4b0be);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Background decoration for banner */
.ui-main-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.2) 0%, transparent 70%);
    filter: blur(60px);
}

/* =========================================
   8. Games Menu (Icons)
   ========================================= */
.games-menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.games-menu__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--c-bg-paper);
    border-radius: var(--radius-m);
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.games-menu__item:hover {
    background: rgba(108, 92, 231, 0.1);
    border-color: var(--c-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.games-menu__icon {
    width: 3.5rem;
    height: 3.5rem;
    color: var(--c-secondary);
    filter: drop-shadow(0 0 5px rgba(0, 206, 201, 0.3));
    transition: transform 0.3s;
}

.games-menu__item:hover .games-menu__icon {
    transform: scale(1.1) rotate(5deg);
    color: var(--c-accent);
}

.games-menu__item-title {
    font-size: var(--fs-s);
    font-weight: 600;
    color: var(--c-text-secondary);
}

.games-menu__item:hover .games-menu__item-title {
    color: var(--c-text-main);
}

/* =========================================
   9. Games Slider (Cards)
   ========================================= */
.home-page-games-slider {
    margin-bottom: 3rem;
    position: relative;
}

.games-slider-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-left: 0.5rem;
}

.games-slider-title__el .ui-icon {
    color: var(--c-accent);
}

/* Grid Layout for Cards (simulating slider for CSS only) */
.home-page-games-slider .swiper-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

.ui-card {
    position: relative;
    border-radius: var(--radius-m);
    overflow: hidden;
    background: var(--c-bg-paper);
    transition: var(--transition-smooth);
    aspect-ratio: 3/4;
}

.ui-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    z-index: 10;
}

.ui-card-body, .ui-card-media {
    height: 100%;
    width: 100%;
}

/* Skeleton Loading Effect for empty images */
.ui-image-loader-wrapper {
    width: 100%;
    height: 100%;
    background: var(--g-skeleton);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* "New" Chip */
.ui-card-media-overlay {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 5;
}

.ui-chip_kind_success {
    background: var(--c-success);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.ui-chip p {
    color: #fff !important;
    font-weight: 800;
}

/* Navigation Buttons (Arrows) */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
    backdrop-filter: blur(4px);
}

.slider-btn:hover {
    background: var(--c-primary);
}

.slider-btn-next { right: -20px; }
.slider-btn-prev { left: -20px; }

/* =========================================
   10. Form Elements (General Styles)
   ========================================= */
input[type="text"], 
input[type="password"], 
input[type="email"] {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-s);
    color: var(--c-text-main);
    font-family: inherit;
    transition: var(--transition-fast);
}

input:focus {
    outline: none;
    border-color: var(--c-primary);
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

/* =========================================
   11. Responsive Design
   ========================================= */
@media (max-width: 1024px) {
    .ui-main-banner__inner {
        padding: 2rem;
    }
    .games-menu {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    /* Header adjustments */
    .ui-header__menu li:not(:last-child) {
        display: none; /* Hide login text link, keep button */
    }
    
    .ui-header__wrapper {
        padding: 0 1rem;
    }

    /* Tabs scrollable */
    .ui-head-tabs {
        justify-content: flex-start;
    }

    /* Banner text centering */
    .ui-main-banner__inner {
        flex-direction: column;
        text-align: center;
        justify-content: center;
    }

    .ui-main-banner__inner-description {
        max-width: 100%;
        align-items: center;
    }

    .games-menu {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }

    .games-menu__item {
        padding: 1rem 0.5rem;
    }

    .games-menu__icon {
        width: 2.5rem;
        height: 2.5rem;
    }

    .home-page-games-slider .swiper-wrapper {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .slider-btn { display: none; } /* Hide arrows on touch */
}

@media (max-width: 480px) {
    .games-menu {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ui-side-menu__aside {
        width: 85%;
    }
}

/* =========================================
   12. Utilities & Scrollbar
   ========================================= */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--c-bg-body);
}

::-webkit-scrollbar-thumb {
    background: #2d3436;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #636e72;
}

/* Helper for smooth appearance */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.home-page > * {
    animation: fadeIn 0.6s ease-out forwards;
}