/* ==========================================================================
   Casino Plus App - basefiles stylesheet
   Prefix: ui50-
   Palette: #4B0082 (indigo) | #C0C0C0 (silver) | #DDA0DD (plum)
            #8B7355 (bronze) | #800080 (purple) | #141414 (charcoal)
   Canvas: 320-430px mobile first. Wide screens get a centered phone frame.
   ========================================================================== */

:root {
    --ui50-indigo: #4B0082;
    --ui50-silver: #C0C0C0;
    --ui50-plum: #DDA0DD;
    --ui50-bronze: #8B7355;
    --ui50-purple: #800080;
    --ui50-charcoal: #141414;
    --ui50-bg: #1a0f24;
    --ui50-bg-soft: #22152e;
    --ui50-card: #2a1a3a;
    --ui50-card-hi: #36224a;
    --ui50-text: #f4ecff;
    --ui50-text-dim: #c9b6e0;
    --ui50-muted: #9a86b5;
    --ui50-gold: #f0c373;
    --ui50-border: rgba(221, 160, 221, 0.18);
    --ui50-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    --ui50-radius: 14px;
    --ui50-radius-sm: 9px;
    --ui50-header-h: 60px;
    --ui50-bottom-h: 62px;
    --ui50-max: 480px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    background: radial-gradient(circle at 50% 0%, #2a1640 0%, #160a22 55%, #0c0517 100%);
    color: var(--ui50-text);
    line-height: 1.55;
    font-size: 15px;
    min-height: 100vh;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: var(--ui50-plum); text-decoration: none; }
a:hover, a:focus { color: var(--ui50-silver); }

.ui50-no-scroll { overflow: hidden !important; }

/* Wide-screen framing: keep the mobile composition centered. */
.ui50-shell {
    width: 100%;
    max-width: var(--ui50-max);
    margin: 0 auto;
    min-height: 100vh;
    background: linear-gradient(180deg, #1f1030 0%, #14081f 60%, #0c0517 100%);
    box-shadow: 0 0 60px rgba(0,0,0,0.6);
    position: relative;
    padding-bottom: calc(var(--ui50-bottom-h) + 18px);
}

/* ===================== Header ===================== */
.ui50-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--ui50-header-h);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 12px;
    background: linear-gradient(180deg, rgba(75, 0, 130, 0.95) 0%, rgba(128, 0, 128, 0.92) 100%);
    border-bottom: 1px solid var(--ui50-border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.ui50-brand {
    display: flex;
    align-items: center;
    gap: 9px;
    flex: 1;
    min-width: 0;
}

.ui50-brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    object-fit: cover;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--ui50-silver);
    box-shadow: 0 0 0 2px rgba(221, 160, 221, 0.25);
    flex-shrink: 0;
}

.ui50-brand-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.ui50-brand-name {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.2px;
    color: #fff;
    line-height: 1.1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ui50-brand-tag {
    font-size: 10.5px;
    color: var(--ui50-plum);
    letter-spacing: 1.4px;
    text-transform: uppercase;
    line-height: 1.2;
}

.ui50-header-actions {
    display: flex;
    align-items: center;
    gap: 7px;
}

.ui50-btn {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    font-size: 13px;
    padding: 9px 16px;
    line-height: 1;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ui50-btn:active { transform: scale(0.96); }

.ui50-btn-login {
    background: rgba(255, 255, 255, 0.10);
    color: #fff;
    border: 1px solid rgba(221, 160, 221, 0.55);
}

.ui50-btn-register {
    background: linear-gradient(135deg, #f0c373 0%, #c8972c 100%);
    color: #2a1500;
    box-shadow: 0 4px 12px rgba(240, 195, 115, 0.4);
}

.ui50-menu-toggle {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(221,160,221,0.4);
    color: #fff;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* ===================== Slide-down menu ===================== */
.ui50-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
    z-index: 55;
}
.ui50-menu-overlay.ui50-overlay-show { opacity: 1; visibility: visible; }

.ui50-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 84%;
    max-width: 340px;
    height: 100vh;
    background: linear-gradient(180deg, #1f0f33 0%, #100619 100%);
    border-left: 1px solid var(--ui50-border);
    transform: translateX(105%);
    transition: transform 0.25s ease;
    z-index: 60;
    padding: 22px 18px calc(var(--ui50-bottom-h) + 22px);
    overflow-y: auto;
}
.ui50-menu-panel.ui50-menu-open { transform: translateX(0); }

.ui50-menu-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.ui50-menu-title {
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}
.ui50-menu-close {
    background: transparent;
    border: 0;
    color: var(--ui50-silver);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
}
.ui50-menu-list { list-style: none; margin: 0; padding: 0; }
.ui50-menu-list li { margin-bottom: 4px; }
.ui50-menu-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 12px;
    border-radius: 10px;
    color: var(--ui50-text);
    font-weight: 600;
    font-size: 14.5px;
    border: 1px solid transparent;
}
.ui50-menu-link:hover, .ui50-menu-link:focus {
    background: rgba(221, 160, 221, 0.10);
    border-color: var(--ui50-border);
    color: #fff;
}
.ui50-menu-cta {
    margin-top: 16px;
    width: 100%;
    padding: 13px;
    font-size: 14.5px;
}

/* ===================== Page heading ===================== */
.ui50-page-title {
    margin: 16px 12px 8px;
    color: #fff;
    font-size: 21px;
    line-height: 1.22;
    font-weight: 850;
    letter-spacing: -0.2px;
}

/* ===================== Hero carousel ===================== */
.ui50-hero {
    margin: 14px 12px 4px;
    border-radius: var(--ui50-radius);
    overflow: hidden;
    box-shadow: var(--ui50-shadow);
    position: relative;
    border: 1px solid var(--ui50-border);
}
.ui50-hero-viewport { overflow: hidden; }
.ui50-hero-track {
    display: flex;
    transition: transform 0.45s ease;
    will-change: transform;
}
.ui50-hero-slide {
    flex: 0 0 100%;
    position: relative;
    min-height: 168px;
}
.ui50-hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.ui50-hero-caption {
    position: absolute;
    left: 14px;
    bottom: 14px;
    right: 14px;
    background: linear-gradient(180deg, rgba(20,8,31,0) 0%, rgba(20,8,31,0.85) 100%);
    padding: 26px 12px 10px;
    border-radius: 0 0 var(--ui50-radius) var(--ui50-radius);
}
.ui50-hero-caption h2 {
    margin: 0 0 4px;
    font-size: 18px;
    color: #fff;
    font-weight: 800;
}
.ui50-hero-caption p {
    margin: 0;
    font-size: 12.5px;
    color: var(--ui50-text-dim);
}
.ui50-hero-dots {
    position: absolute;
    bottom: 8px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 6px;
    z-index: 2;
}
.ui50-hero-dots span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
}
.ui50-hero-dots .ui50-dot-active { background: var(--ui50-gold); width: 18px; border-radius: 4px; }

/* ===================== Quick stats ===================== */
.ui50-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 12px;
}
.ui50-stat {
    background: linear-gradient(180deg, rgba(75,0,130,0.35) 0%, rgba(128,0,128,0.18) 100%);
    border: 1px solid var(--ui50-border);
    border-radius: var(--ui50-radius-sm);
    padding: 10px 6px;
    text-align: center;
}
.ui50-stat-num {
    font-size: 18px;
    font-weight: 800;
    color: var(--ui50-gold);
    line-height: 1.1;
}
.ui50-stat-label {
    font-size: 10.5px;
    color: var(--ui50-text-dim);
    margin-top: 2px;
    letter-spacing: 0.4px;
}

/* ===================== Section ===================== */
.ui50-section {
    margin: 18px 12px 6px;
}
.ui50-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.ui50-section-title {
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ui50-section-title::before {
    content: "";
    width: 4px;
    height: 16px;
    background: linear-gradient(180deg, var(--ui50-gold) 0%, var(--ui50-purple) 100%);
    border-radius: 2px;
}
.ui50-section-more {
    font-size: 12px;
    color: var(--ui50-plum);
    font-weight: 600;
}

/* ===================== Search & filter chips ===================== */
.ui50-controls {
    margin: 6px 12px 10px;
}
.ui50-search {
    position: relative;
    margin-bottom: 10px;
}
.ui50-search input {
    width: 100%;
    background: var(--ui50-card);
    border: 1px solid var(--ui50-border);
    border-radius: 999px;
    padding: 11px 16px 11px 38px;
    color: var(--ui50-text);
    font-size: 14px;
    outline: none;
}
.ui50-search input::placeholder { color: var(--ui50-muted); }
.ui50-search input:focus { border-color: var(--ui50-plum); }
.ui50-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ui50-plum);
    font-size: 15px;
}

.ui50-chips {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding: 2px 0 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.ui50-chips::-webkit-scrollbar { display: none; }
.ui50-chip {
    flex-shrink: 0;
    background: var(--ui50-card);
    color: var(--ui50-text-dim);
    border: 1px solid var(--ui50-border);
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.ui50-chip-active, .ui50-chip:hover {
    background: linear-gradient(135deg, var(--ui50-indigo) 0%, var(--ui50-purple) 100%);
    color: #fff;
    border-color: transparent;
}

/* ===================== Game grid ===================== */
.ui50-game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
    margin: 6px 0;
}
.ui50-game-card {
    background: var(--ui50-card);
    border: 1px solid var(--ui50-border);
    border-radius: var(--ui50-radius-sm);
    overflow: hidden;
    position: relative;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    display: flex;
    flex-direction: column;
}
.ui50-game-card:active {
    transform: scale(0.97);
    box-shadow: 0 6px 16px rgba(75, 0, 130, 0.5);
}
.ui50-game-thumb {
    position: relative;
    aspect-ratio: 1 / 1;
    background: #1a0e28;
    overflow: hidden;
}
.ui50-game-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.ui50-game-badge {
    position: absolute;
    top: 5px;
    left: 5px;
    background: linear-gradient(135deg, #f0c373 0%, #c8972c 100%);
    color: #2a1500;
    font-size: 9px;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.ui50-game-title {
    font-size: 11.5px;
    color: var(--ui50-text);
    text-align: center;
    padding: 6px 4px;
    font-weight: 600;
    line-height: 1.25;
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ui50-hidden, .ui50-search-hidden { display: none !important; }

/* ===================== Promo banner CTA ===================== */
.ui50-promo-banner {
    margin: 16px 12px;
    padding: 16px;
    border-radius: var(--ui50-radius);
    background: linear-gradient(135deg, #4B0082 0%, #800080 60%, #DDA0DD 140%);
    border: 1px solid rgba(240, 195, 115, 0.4);
    box-shadow: var(--ui50-shadow);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.ui50-promo-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.18), transparent 40%);
    pointer-events: none;
}
.ui50-promo-banner h3 {
    margin: 0 0 6px;
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    position: relative;
}
.ui50-promo-banner p {
    margin: 0 0 12px;
    color: rgba(255,255,255,0.88);
    font-size: 13px;
    position: relative;
}
.ui50-promo-banner .ui50-btn {
    background: linear-gradient(135deg, #f0c373 0%, #c8972c 100%);
    color: #2a1500;
    padding: 12px 28px;
    font-size: 14px;
    position: relative;
}

/* ===================== SEO content / article ===================== */
.ui50-article {
    margin: 18px 12px;
    background: var(--ui50-bg-soft);
    border: 1px solid var(--ui50-border);
    border-radius: var(--ui50-radius);
    padding: 16px;
    color: var(--ui50-text-dim);
    font-size: 13.5px;
    line-height: 1.7;
}
.ui50-article h2 {
    color: #fff;
    font-size: 17px;
    margin: 0 0 10px;
    font-weight: 800;
}
.ui50-article h3 {
    color: var(--ui50-plum);
    font-size: 14.5px;
    margin: 14px 0 6px;
    font-weight: 700;
}
.ui50-article p { margin: 0 0 10px; }
.ui50-article ul { margin: 0 0 10px; padding-left: 18px; }
.ui50-article li { margin-bottom: 5px; }
.ui50-article a { color: var(--ui50-plum); font-weight: 600; border-bottom: 1px dotted rgba(221,160,221,0.4); }
.ui50-article a:hover { color: var(--ui50-silver); }
.ui50-article strong { color: #fff; }

.ui50-faq-item {
    border-bottom: 1px solid var(--ui50-border);
    padding: 10px 0;
}
.ui50-faq-item:last-child { border-bottom: 0; }
.ui50-faq-q {
    font-weight: 700;
    color: #fff;
    font-size: 13.5px;
    margin-bottom: 4px;
}
.ui50-faq-a {
    color: var(--ui50-text-dim);
    font-size: 13px;
    line-height: 1.6;
}

/* ===================== Category quick links ===================== */
.ui50-cat-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 9px;
    margin: 6px 0;
}
.ui50-cat-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(75,0,130,0.45) 0%, rgba(128,0,128,0.22) 100%);
    border: 1px solid var(--ui50-border);
    border-radius: var(--ui50-radius-sm);
    color: #fff;
    font-weight: 700;
    font-size: 13.5px;
}
.ui50-cat-card:hover { border-color: var(--ui50-plum); color: #fff; }
.ui50-cat-card small {
    display: block;
    color: var(--ui50-text-dim);
    font-weight: 500;
    font-size: 11px;
    margin-top: 2px;
}

/* ===================== Footer ===================== */
.ui50-footer {
    margin: 22px 12px 4px;
    padding: 16px 14px;
    background: var(--ui50-bg-soft);
    border: 1px solid var(--ui50-border);
    border-radius: var(--ui50-radius);
}
.ui50-footer h4 {
    color: #fff;
    font-size: 14px;
    margin: 0 0 8px;
    font-weight: 800;
    letter-spacing: 0.5px;
}
.ui50-footer ul {
    list-style: none;
    margin: 0 0 12px;
    padding: 0;
}
.ui50-footer li { margin-bottom: 5px; }
.ui50-footer a { color: var(--ui50-text-dim); font-size: 12.5px; }
.ui50-footer a:hover { color: var(--ui50-plum); }
.ui50-footer-bottom {
    border-top: 1px solid var(--ui50-border);
    padding-top: 10px;
    margin-top: 6px;
    font-size: 11px;
    color: var(--ui50-muted);
    text-align: center;
    line-height: 1.6;
}
.ui50-footer-notice {
    margin-top: 8px;
    padding: 8px 10px;
    border: 1px dashed rgba(221,160,221,0.35);
    border-radius: 8px;
    color: var(--ui50-text-dim);
    font-size: 11px;
    line-height: 1.5;
}

/* ===================== Bottom navigation ===================== */
.ui50-bottom-nav {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 100%;
    max-width: var(--ui50-max);
    height: var(--ui50-bottom-h);
    background: linear-gradient(180deg, rgba(31, 15, 51, 0.98) 0%, rgba(12, 5, 23, 1) 100%);
    border-top: 1px solid var(--ui50-border);
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    z-index: 45;
    padding-bottom: env(safe-area-inset-bottom, 0);
    box-shadow: 0 -6px 20px rgba(0,0,0,0.45);
}
.ui50-nav-btn {
    flex: 1;
    background: transparent;
    border: 0;
    color: var(--ui50-text-dim);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 2px 4px;
    cursor: pointer;
    font-size: 10px;
    font-weight: 600;
    min-height: 44px;
    position: relative;
    transition: color 0.15s ease;
}
.ui50-nav-btn svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.ui50-nav-btn .ui50-nav-label { font-size: 10px; line-height: 1; }
.ui50-nav-btn:hover { color: var(--ui50-plum); }
.ui50-nav-active {
    color: var(--ui50-gold) !important;
}
.ui50-nav-active::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 3px;
    border-radius: 0 0 4px 4px;
    background: linear-gradient(90deg, var(--ui50-gold) 0%, var(--ui50-purple) 100%);
}
.ui50-nav-promo {
    color: #fff;
    background: linear-gradient(135deg, rgba(75,0,130,0.6) 0%, rgba(128,0,128,0.4) 100%);
    position: relative;
}
.ui50-nav-promo::after {
    content: "";
    position: absolute;
    inset: 4px 8px;
    border: 1px solid rgba(240,195,115,0.45);
    border-radius: 10px;
    pointer-events: none;
}

/* ===================== Scroll-to-top ===================== */
.ui50-to-top {
    position: fixed;
    right: 14px;
    bottom: calc(var(--ui50-bottom-h) + 14px);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ui50-indigo) 0%, var(--ui50-purple) 100%);
    color: #fff;
    border: 1px solid rgba(240,195,115,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 40;
    box-shadow: var(--ui50-shadow);
}
.ui50-to-top-show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ===================== Reveal animation ===================== */
.ui50-reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.ui50-revealed { opacity: 1; transform: translateY(0); }

/* ===================== Partners / trust strip ===================== */
.ui50-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px;
    padding: 10px;
    background: rgba(221,160,221,0.06);
    border: 1px solid var(--ui50-border);
    border-radius: var(--ui50-radius-sm);
}
.ui50-trust-item {
    flex: 1 1 30%;
    text-align: center;
    color: var(--ui50-text-dim);
    font-size: 11px;
    font-weight: 600;
    padding: 6px 4px;
    border-right: 1px solid var(--ui50-border);
}
.ui50-trust-item:last-child { border-right: 0; }
.ui50-trust-item strong { display: block; color: var(--ui50-gold); font-size: 14px; }

/* ===================== Responsive nudges ===================== */
@media (min-width: 411px) {
    .ui50-game-grid { gap: 11px; }
    .ui50-brand-name { font-size: 17px; }
}
@media (min-width: 430px) {
    .ui50-page-title { margin-left: 16px; margin-right: 16px; }
    .ui50-section, .ui50-stats, .ui50-controls,
    .ui50-promo-banner, .ui50-article, .ui50-footer, .ui50-hero, .ui50-trust {
        margin-left: 16px;
        margin-right: 16px;
    }
}

/* Desktop: hide bottom nav is NOT desired - keep fixed but constrained. */
@media (min-width: 768px) {
    .ui50-shell { border-left: 1px solid var(--ui50-border); border-right: 1px solid var(--ui50-border); }
}

/* Reduced motion. */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}