/* ============================================================
   SAISHI.CSS v3.0 - 赛事/文章/APP 页面专属样式
   ============================================================
   匹配 Section 模板:
   - ArticleSection (单文章详情)
   - AppHeroSection / AppQrSection / AppInstallSection / AppShowcaseSection
   - ContactChannelsSection / ContactFormSection / ContactQuickSection / ContactCommitmentsSection
   - LoginFormSection / SignupFormSection
   - SearchBoxSection (extends)
   - 滚动条 / 打印样式 / 图标
   ============================================================ */

/* ============================================
   1. Single Post (ArticleSection)
   ============================================ */
.single-post {
    overflow: hidden;
}

.single-post .post-meta {
    font-size: 0.9rem;
}

.single-post .post-meta i {
    color: #7c3aed;
}

/* Post content typography */
.post-content {
    line-height: 1.8;
    font-size: 1.05rem;
    color: #342a5e;
}

.post-content :is(h2, h3, h4) {
    margin-block: 2rem 1rem;
    font-weight: 700;
    color: #2e1065;
    line-height: 1.4;
}

.post-content h2 {
    font-size: 1.75rem;
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid #d9cbf2;
}

.post-content h3 {
    font-size: 1.35rem;
}

.post-content :is(p, li) {
    margin-bottom: var(--space-sm);
}

.post-content blockquote {
    border-inline-start: 4px solid #7c3aed;
    padding: var(--space-sm) var(--space-md);
    background: #f3edfc;
    border-radius: 0 14px 14px 0;
    margin-block: var(--space-md);
    color: #6b5d8f;
    font-style: italic;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    margin-block: var(--space-sm);
    box-shadow: 0 6px 18px -8px rgba(46, 16, 101, 0.18), 0 0 0 1px rgba(124, 58, 237, 0.06);
}

.post-content a {
    color: #7c3aed;
    text-decoration: underline;
    transition: color 200ms ease-out;
}

.post-content a:hover {
    color: #6d28d9;
}

.post-content ul,
.post-content ol {
    padding-inline-start: 1.5rem;
}

.post-content code {
    background: #e9defc;
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.9em;
    color: #e11d6d;
}

.post-content pre {
    background: linear-gradient(150deg, #2e1065 0%, #170a3a 75%);
    color: #fdf9ff;
    padding: var(--space-md);
    border-radius: 14px;
    overflow-x: auto;
    margin-block: var(--space-md);
    box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.18), 0 14px 30px -18px rgba(46, 16, 101, 0.5);
}

.post-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin-block: var(--space-md);
}

.post-content table th,
.post-content table td {
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid #d9cbf2;
    text-align: start;
}

.post-content table th {
    background: #efe7fd;
    font-weight: 600;
}

/* TOC */
.toc-box {
    border-inline-start: 3px solid #7c3aed;
}

.toc-box ol {
    padding-inline-start: 1.2rem;
}

.toc-box ol li {
    margin: 0.4rem 0;
}

.toc-box ol li a {
    transition: all 200ms ease-out;
}

.toc-box ol li a:hover {
    color: #6d28d9;
    text-decoration: underline !important;
    padding-inline-start: 4px;
}

/* Tags */
.post-tags .badge {
    background: #e9defc !important;
    color: #4a3c74 !important;
    padding: 6px 12px;
    font-weight: 500;
    transition: all 200ms ease-out;
}

.post-tags .badge:hover {
    background: #7c3aed !important;
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 0 18px rgba(124, 58, 237, 0.45);
}

/* Post nav */
.post-nav {
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.post-nav .btn {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   2. App Hero (AppHeroSection)
   ============================================ */
.app-hero-section {
    background:
        radial-gradient(900px 440px at 85% -10%, rgba(245, 158, 11, 0.26), transparent 62%),
        radial-gradient(820px 460px at 5% 115%, rgba(139, 92, 246, 0.42), transparent 58%),
        linear-gradient(135deg, #1e1048 0%, #34157a 55%, #0d0724 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.app-hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(9, 4, 25, 0.18);
    z-index: 0;
}

.app-hero-section > .container {
    position: relative;
    z-index: 1;
}

.app-hero-section h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    text-shadow: 0 0 42px rgba(245, 158, 11, 0.35), 0 2px 20px rgba(8, 3, 25, 0.55);
}

.app-hero-section img {
    transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1), filter 400ms ease-out;
    filter: drop-shadow(0 24px 42px rgba(6, 2, 21, 0.55)) drop-shadow(0 0 30px rgba(245, 158, 11, 0.18));
}

.app-hero-section img:hover {
    transform: translateY(-10px);
    filter: drop-shadow(0 30px 48px rgba(6, 2, 21, 0.62)) drop-shadow(0 0 44px rgba(245, 158, 11, 0.34));
}

.text-white-50 {
    color: rgba(255, 255, 255, 0.72) !important;
}

/* ============================================
   3. App QR (AppQrSection)
   ============================================ */
.app-qr-section {
    background: radial-gradient(ellipse at 50% 0%, #fdfbff 0%, #eee7fb 62%, #ddd0f4 100%);
}

.qr-card {
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
    border: 2px solid transparent;
}

.qr-card:hover {
    transform: scale(1.03);
    border-color: #f59e0b;
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.45), 0 20px 44px -18px rgba(46, 16, 101, 0.42), 0 0 30px rgba(245, 158, 11, 0.22);
}

.qr-card img {
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

/* ============================================
   4. App Install Steps (AppInstallSection)
   ============================================ */
.app-install-section {
    background: linear-gradient(180deg, #faf7ff 0%, #efeafb 100%);
}

.app-install-section .badge.rounded-circle {
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
}

.app-install-section .bg-white {
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}

.app-install-section .bg-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.16), 0 24px 52px -20px rgba(46, 16, 101, 0.42), 0 0 30px rgba(245, 158, 11, 0.16);
}

.app-install-section .bg-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #f7a11f 0%, #9b5cf6 100%);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.app-install-section .bg-white:hover::before {
    transform: scaleY(1);
}

/* ============================================
   5. App Showcase (AppShowcaseSection)
   ============================================ */
.app-showcase-section {
    background: linear-gradient(180deg, #ffffff 0%, #f2edfc 100%);
}

.app-showcase-section img {
    transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1), filter 400ms ease-out;
    filter: drop-shadow(0 14px 24px rgba(46, 16, 101, 0.2)) drop-shadow(0 0 18px rgba(124, 58, 237, 0.08));
}

.app-showcase-section img:hover {
    transform: translateY(-5px) rotate(-1deg);
    filter: drop-shadow(0 18px 30px rgba(46, 16, 101, 0.3)) drop-shadow(0 0 24px rgba(245, 158, 11, 0.12));
}

.app-showcase-section .bg-white {
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
    border-inline-start: 3px solid transparent;
    border-radius: 14px;
}

.app-showcase-section .bg-white:hover {
    border-inline-start-color: #7c3aed;
    transform: translateX(5px);
    box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.1), 0 18px 34px -16px rgba(46, 16, 101, 0.4), 0 0 24px rgba(124, 58, 237, 0.13);
}

/* ============================================
   6. Contact Sections
   ============================================ */
.contact-channels-section {
    background: linear-gradient(180deg, #fdfcff 0%, #ede6fb 100%);
}

.contact-channels-section article {
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
    border: 1px solid #e0d6f6;
    border-radius: 14px;
}

.contact-channels-section article:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.08), 0 22px 45px -18px rgba(46, 16, 101, 0.4), 0 0 30px rgba(245, 158, 11, 0.16);
    border-color: #7c3aed;
}

.contact-channels-section article ul li {
    transition: padding 200ms ease-out;
}

.contact-channels-section article ul li:hover {
    padding-inline-start: 4px;
}

/* Contact Quick */
.contact-quick-section {
    background: radial-gradient(ellipse at 50% 20%, rgba(245, 158, 11, 0.07), transparent 65%), #f1ecfb;
}

.contact-quick-section .contact-card {
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
    border-radius: 16px;
}

.contact-quick-section .contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.14), 0 24px 52px -20px rgba(46, 16, 101, 0.42), 0 0 32px rgba(245, 158, 11, 0.14);
}

.contact-quick-section .contact-card i {
    transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.contact-quick-section .contact-card:hover i {
    transform: scale(1.1) rotate(-5deg);
    filter: drop-shadow(0 0 12px rgba(245, 158, 11, 0.5));
}

/* Contact Form */
.contact-form-section {
    background: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.06), transparent 60%), #f1ecfb;
}

.contact-form-section .form-control,
.contact-form-section .form-select {
    border: 2px solid #d7caf2;
    transition: all 200ms ease-out;
}

.contact-form-section .form-control:focus,
.contact-form-section .form-select:focus {
    border-color: #7c3aed;
    box-shadow: 0 0 0 0.25rem rgba(124, 58, 237, 0.16), 0 0 22px rgba(124, 58, 237, 0.3);
}

.contact-form-section button[type="submit"] {
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.contact-form-section button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px -8px rgba(124, 58, 237, 0.55), 0 0 24px rgba(245, 158, 11, 0.28);
}

/* Contact Commitments */
.contact-commitments-section {
    background: radial-gradient(ellipse 85% 60% at 50% 15%, rgba(245, 158, 11, 0.08), transparent 62%), #f1ecfb;
}

.contact-commitments-section .bg-white {
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
    text-align: center;
    border-radius: 16px;
}

.contact-commitments-section .bg-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.15), 0 24px 50px -20px rgba(46, 16, 101, 0.42), 0 0 30px rgba(245, 158, 11, 0.16);
}

.contact-commitments-section .bg-white i {
    transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.contact-commitments-section .bg-white:hover i {
    transform: scale(1.15);
    filter: drop-shadow(0 0 16px rgba(124, 58, 237, 0.55));
}

/* ============================================
   7. Login / Signup Forms
   ============================================ */
main:has(> .container > .bg-white > form) .input-group-text {
    background-color: #ebe0fb;
    border-color: #d7caf2;
    border-inline-end: none;
}

main:has(> .container > .bg-white > form) .input-group .form-control {
    border-inline-start: none;
}

main:has(> .container > .bg-white > form) .input-group:focus-within .input-group-text {
    border-color: #7c3aed;
    background-color: #f3ebff;
}

main:has(> .container > .bg-white > form) .input-group:focus-within .form-control {
    border-color: #7c3aed;
}

main:has(> .container > .bg-white > form) .form-check-input:checked {
    background-color: #7c3aed;
    border-color: #7c3aed;
}

main:has(> .container > .bg-white > form) button[type="submit"] {
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
    font-weight: 600;
}

main:has(> .container > .bg-white > form) button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px -8px rgba(124, 58, 237, 0.55), 0 0 24px rgba(245, 158, 11, 0.28);
}

/* ============================================
   8. Icons
   ============================================ */
.icon-img {
    max-width: 32px;
    max-height: 32px;
    object-fit: contain;
}

.icon-emoji {
    display: inline-block;
    line-height: 1;
}

/* ============================================
   9. Hero Buttons (đã có ở theme.css nhưng bổ sung thêm)
   ============================================ */
.hero-buttons .btn {
    transition: all 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.14), 0 24px 50px -20px rgba(46, 16, 101, 0.42), 0 0 30px rgba(245, 158, 11, 0.16);
}

.hero-buttons .btn-warning {
    background-color: #f59e0b;
    border-color: #f59e0b;
    color: #2e1065;
    font-weight: 600;
}

.hero-buttons .btn-warning:hover {
    background-color: #d97706;
    border-color: #d97706;
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.25), 0 0 28px rgba(245, 158, 11, 0.4);
}

.hero-buttons .btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #fff;
}

/* ============================================
   10. 自定义滚动条
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #e9defc;
}

::-webkit-scrollbar-thumb {
    background: #9a8dc4;
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6f5f9e;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #9a8dc4 #e9defc;
}

/* ============================================
   11. Print Styles
   ============================================ */
@media print {
    :is(.header,
        .footer,
        .sidebar-widgets,
        .social-share,
        #back-to-top,
        .breadcrumb-nav,
        .notice-bar,
        .cta-banner-section,
        .post-nav,
        .related-posts,
        .author-box,
        .pagination,
        .navbar-toggler,
        .nav-item) {
        display: none !important;
    }

    body {
        background: #fff !important;
        color: #000 !important;
        font-size: 12pt;
    }

    .single-post {
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        max-width: 100% !important;
    }

    .post-content {
        font-size: 11pt;
        line-height: 1.6;
    }

    a {
        text-decoration: underline;
        color: #000 !important;
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 9pt;
        color: #555;
    }

    a[href^="#"]::after,
    a[href^="javascript:"]::after,
    a[href^="mailto:"]::after,
    a[href^="tel:"]::after {
        content: "";
    }

    .post-content img {
        max-width: 100% !important;
        page-break-inside: avoid;
    }

    :is(h1, h2, h3, h4) {
        page-break-after: avoid;
        color: #000 !important;
    }

    p, li {
        orphans: 3;
        widows: 3;
    }
}

/* ============================================
   12. Animations bổ sung
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.985);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.06);
    }
}

.animate-fade-in {
    animation: fadeInUp 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.animate-pulse {
    animation: pulse 2.6s ease-in-out infinite;
}

/* ============================================
   13. Responsive
   ============================================ */
@media (max-width: 991.98px) {
    .post-content {
        font-size: 1rem;
    }

    .post-content h2 {
        font-size: 1.5rem;
    }

    .post-content h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 767.98px) {
    .single-post {
        padding: var(--space-md) !important;
    }

    .post-content {
        font-size: 0.95rem;
    }

    .post-content h2 {
        font-size: 1.35rem;
    }

    .post-nav {
        flex-direction: column;
    }

    .post-nav .btn {
        width: 100%;
    }

    .post-tags .badge {
        font-size: 0.8rem;
        padding: 4px 8px;
    }

    .app-hero-section h1 {
        font-size: 1.75rem;
    }

    .app-install-section .badge.rounded-circle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .toc-box {
        padding: var(--space-sm) !important;
    }

    .qr-card img {
        max-width: 140px !important;
    }
}

@media (max-width: 575.98px) {
    .app-hero-section .row .col-lg-7 {
        text-align: center;
        color: #f4efe6;
        text-shadow: 0 0 24px rgba(15, 15, 26, 0.4), 0 0 24px rgba(230, 197, 112, 0.16);
    }

    .app-hero-section .badge.bg-warning {
        font-size: 0.85rem;
        color: #0d0a06;
        background-image: linear-gradient(120deg, #efc96b 0%, #c99d3d 55%, #a37618 100%);
        box-shadow: 0 0 20px rgba(239, 201, 107, 0.34), 0 0 44px rgba(239, 201, 107, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.45);
        border-radius: 999px;
    }

    .contact-channels-section article,
    .contact-quick-section .contact-card {
        padding: var(--space-md) !important;
        border-radius: 14px;
        background-color: rgba(15, 15, 26, 0.38);
        box-shadow: 0 18px 40px -20px rgba(0, 0, 0, 0.55), 0 0 24px rgba(109, 74, 255, 0.16), 0 0 0 1px rgba(255, 255, 255, 0.06);
        backdrop-filter: blur(7px);
        transition: box-shadow 0.3s ease, background-color 0.3s ease;
    }
}