/* ============================================================
   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: #b23a48;
}

/* Post content typography */
.post-content {
    line-height: 1.8;
    font-size: 1.05rem;
    color: #30292c;
}

.post-content :is(h2, h3, h4) {
    margin-block: 2rem 1rem;
    font-weight: 700;
    color: #4f121e;
    line-height: 1.4;
}

.post-content h2 {
    font-size: 1.75rem;
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid #e2cfc0;
}

.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 #b23a48;
    padding: var(--space-sm) var(--space-md);
    background: linear-gradient(135deg, #fbeee3 0%, #fdf6ef 55%, #f8ddd2 100%);
    border-radius: 0 18px 18px 0;
    margin-block: var(--space-md);
    color: #7a6670;
    font-style: italic;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    margin-block: var(--space-sm);
    box-shadow: 0 3px 6px -2px rgba(75, 31, 24, 0.1), 0 10px 22px -6px rgba(75, 31, 24, 0.16);
}

.post-content a {
    color: #b23a48;
    text-decoration: underline;
    transition: color 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.post-content a:hover {
    color: #7d2431;
}

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

.post-content code {
    background: linear-gradient(135deg, #f6e2ef 0%, #f9ebf4 100%);
    padding: 2px 6px;
    border-radius: 7px;
    font-size: 0.9em;
    color: #8a2f5b;
}

.post-content pre {
    background: linear-gradient(135deg, #311017 0%, #671c2b 55%, #a23546 130%);
    color: #fff2e8;
    padding: var(--space-md);
    border-radius: 16px;
    overflow-x: auto;
    margin-block: var(--space-md);
}

.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 #e2cfc0;
    text-align: start;
}

.post-content table th {
    background: linear-gradient(180deg, #f8efe4 0%, #f2e2d2 100%);
    font-weight: 600;
}

/* TOC */
.toc-box {
    border-inline-start: 3px solid #e07a3c;
}

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

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

.toc-box ol li a {
    transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.toc-box ol li a:hover {
    color: #7d2431;
    text-decoration: underline !important;
    padding-inline-start: 4px;
}

/* Tags */
.post-tags .badge {
    background: linear-gradient(135deg, #f3e4d1 0%, #ecdcbf 100%) !important;
    color: #634b3f !important;
    padding: 6px 12px;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.post-tags .badge:hover {
    background: linear-gradient(135deg, #b23a48 0%, #7d2431 100%) !important;
    color: #fff7ec !important;
    transform: translateY(-1px);
}

/* 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(circle at 16% 22%, rgba(244, 162, 97, 0.32) 0%, transparent 38%),
        radial-gradient(circle at 86% 72%, rgba(178, 58, 72, 0.5) 0%, transparent 44%),
        linear-gradient(135deg, #230b2b 0%, #431334 32%, #601938 62%, #9a1f3e 100%);
    color: #fff3e9;
    position: relative;
    overflow: hidden;
}

.app-hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 10% 12%, rgba(244, 162, 97, 0.18) 0%, transparent 42%), rgba(23, 7, 20, 0.3);
    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;
}

.app-hero-section img {
    transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
    filter: drop-shadow(0 24px 36px rgba(77, 8, 38, 0.55));
}

.app-hero-section img:hover {
    transform: translateY(-10px);
}

.text-white-50 {
    color: rgba(255, 227, 213, 0.72) !important;
}

/* ============================================
   3. App QR (AppQrSection)
   ============================================ */
.app-qr-section {
    background:
        radial-gradient(circle at 88% 8%, rgba(244, 162, 97, 0.2) 0%, transparent 34%),
        linear-gradient(145deg, #daf2e2 0%, #eefbf2 45%, #c2e8d3 100%);
}

.qr-card {
    border-radius: 20px;
    box-shadow: 0 6px 14px -8px rgba(60, 42, 34, 0.16);
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    border: 2px solid transparent;
}

.qr-card:hover {
    transform: scale(1.03);
    border-color: #f4a261;
    box-shadow: 0 8px 18px -8px rgba(212, 103, 32, 0.4), 0 26px 54px -14px rgba(212, 103, 32, 0.36);
}

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

/* ============================================
   4. App Install Steps (AppInstallSection)
   ============================================ */
.app-install-section {
    background:
        radial-gradient(circle at 8% 18%, rgba(178, 58, 72, 0.12) 0%, transparent 36%),
        radial-gradient(circle at 92% 82%, rgba(244, 162, 97, 0.18) 0%, transparent 30%),
        linear-gradient(145deg, #ded2fa 0%, #f5f0ff 45%, #c8b6f4 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 {
    border-radius: 18px;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.app-install-section .bg-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px -6px rgba(53, 28, 68, 0.14), 0 26px 48px -14px rgba(53, 28, 68, 0.3);
}

.app-install-section .bg-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #f4a261 0%, #b23a48 60%, #6e0c3a 100%);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* ============================================
   5. App Showcase (AppShowcaseSection)
   ============================================ */
.app-showcase-section {
    background:
        radial-gradient(circle at 88% 14%, rgba(178, 58, 72, 0.12) 0%, transparent 38%),
        linear-gradient(145deg, #ffe0ba 0%, #fff6ea 45%, #ffcfa4 100%);
}

.app-showcase-section img {
    transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
    filter: drop-shadow(0 18px 28px rgba(123, 48, 33, 0.32));
}

.app-showcase-section img:hover {
    transform: translateY(-5px) rotate(-1deg);
}

.app-showcase-section .bg-white {
    border-radius: 16px;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    border-inline-start: 3px solid transparent;
}

.app-showcase-section .bg-white:hover {
    border-inline-start-color: #b23a48;
    transform: translateX(5px);
    box-shadow: 0 4px 14px -6px rgba(82, 38, 26, 0.14), 0 18px 36px -10px rgba(82, 38, 26, 0.24);
}

/* ============================================
   6. Contact Sections
   ============================================ */
.contact-channels-section {
    background:
        radial-gradient(circle at 90% 84%, rgba(244, 162, 97, 0.18) 0%, transparent 32%),
        linear-gradient(145deg, #caeaf4 0%, #f0f9fb 48%, #b2e1f1 100%);
}

.contact-channels-section article {
    border-radius: 18px;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    border: 1px solid #e2cbbc;
}

.contact-channels-section article:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px -6px rgba(67, 50, 42, 0.14), 0 24px 48px -12px rgba(67, 50, 42, 0.26);
    border-color: #b23a48;
}

.contact-channels-section article ul li {
    transition: padding 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* Contact Quick */
.contact-quick-section {
    background:
        radial-gradient(circle at 12% 80%, rgba(178, 58, 72, 0.11) 0%, transparent 30%),
        linear-gradient(145deg, #f7e6bf 0%, #fffcf1 46%, #f5d79d 100%);
}

.contact-quick-section .contact-card {
    border-radius: 18px;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contact-quick-section .contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px -6px rgba(92, 62, 28, 0.16), 0 26px 50px -14px rgba(92, 62, 28, 0.28);
}

.contact-quick-section .contact-card i {
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contact-quick-section .contact-card:hover i {
    transform: scale(1.1) rotate(-5deg);
}

/* Contact Form */
.contact-form-section {
    background:
        radial-gradient(circle at 86% 12%, rgba(127, 34, 142, 0.12) 0%, transparent 34%),
        linear-gradient(145deg, #f6d4c9 0%, #fcf3f1 48%, #f0b8ad 100%);
}

.contact-form-section .form-control,
.contact-form-section .form-select {
    border: 2px solid #e4cfc2;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contact-form-section .form-control:focus,
.contact-form-section .form-select:focus {
    border-color: #b23a48;
    box-shadow: 0 0 0 0.22rem rgba(178, 58, 72, 0.14);
}

.contact-form-section button[type="submit"] {
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contact-form-section button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px -8px rgba(178, 58, 72, 0.5);
}

/* Contact Commitments */
.contact-commitments-section {
    background:
        radial-gradient(circle at 12% 12%, rgba(244, 162, 97, 0.14) 0%, transparent 36%),
        linear-gradient(145deg, #eadbb9 0%, #faf7ee 45%, #decd9b 100%);
}

.contact-commitments-section .bg-white {
    border-radius: 20px;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    text-align: center;
}

.contact-commitments-section .bg-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px -6px rgba(78, 60, 35, 0.14), 0 24px 50px -14px rgba(78, 60, 35, 0.28);
}

.contact-commitments-section .bg-white i {
    transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contact-commitments-section .bg-white:hover i {
    transform: scale(1.15);
}

/* ============================================
   7. Login / Signup Forms
   ============================================ */
main:has(> .container > .bg-white > form) .input-group-text {
    background-color: #f7ecdf;
    border-color: #e4cfc2;
    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: #b23a48;
    background-color: #fde5e2;
}

main:has(> .container > .bg-white > form) .input-group:focus-within .form-control {
    border-color: #b23a48;
}

main:has(> .container > .bg-white > form) .form-check-input:checked {
    background-color: #b23a48;
    border-color: #b23a48;
}

main:has(> .container > .bg-white > form) button[type="submit"] {
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    font-weight: 600;
}

main:has(> .container > .bg-white > form) button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px -8px rgba(178, 58, 72, 0.5);
}

/* ============================================
   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 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px -6px rgba(20, 6, 18, 0.16), 0 28px 52px -14px rgba(20, 6, 18, 0.48);
}

.hero-buttons .btn-warning {
    background: linear-gradient(135deg, #f4b85a 0%, #e4893b 100%);
    border-color: #f4a261;
    color: #3a101b;
    font-weight: 600;
}

.hero-buttons .btn-warning:hover {
    background: linear-gradient(135deg, #dd7d29 0%, #c45d1e 100%);
    border-color: #df7e30;
}

.hero-buttons .btn-outline-light:hover {
    background-color: rgba(244, 162, 97, 0.22);
    color: #fff7ed;
}

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

::-webkit-scrollbar-track {
    background: #f5ede1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #d3a489 0%, #bb7c66 100%);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #a5343f 0%, #7d2431 100%);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #bb7c66 #f5ede1;
}

/* ============================================
   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: #ffffff !important;
        color: #161616 !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: #161616 !important;
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 9pt;
        color: #454545;
    }

    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: #161616 !important;
    }

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

/* ============================================
   12. Animations bổ sung
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-fade-in {
    animation: fadeInUp 0.65s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.animate-pulse {
    animation: pulse 2.4s 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;
        background-image: radial-gradient(circle at 50% 120%, rgba(255, 92, 132, 0.08), rgba(255, 255, 255, 0) 62%);
        text-shadow: 0 2px 10px rgba(10, 12, 35, 0.06);
    }

    .app-hero-section .badge.bg-warning {
        font-size: 0.85rem;
        background-image: linear-gradient(120deg, #ff512f 0%, #f09819 38%, #ffd200 100%);
        border-radius: 999px;
        box-shadow: 0 12px 24px -10px rgba(240, 110, 25, 0.42), 0 0 0 1px rgba(255, 255, 255, 0.28);
        transition: box-shadow 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .contact-channels-section article,
    .contact-quick-section .contact-card {
        padding: var(--space-md) !important;
        background-image:
            radial-gradient(circle at 88% 10%, rgba(65, 184, 213, 0.22) 0%, rgba(65, 184, 213, 0) 52%),
            radial-gradient(circle at 4% 95%, rgba(120, 81, 169, 0.18) 0%, rgba(120, 81, 169, 0) 48%),
            linear-gradient(145deg, rgba(255, 255, 255, 0.65) 0%, rgba(247, 249, 252, 0.35) 100%);
        border-radius: 1.25rem;
        box-shadow: 0 20px 40px -18px rgba(22, 26, 58, 0.35);
        transition: box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
}