/* ============================================================
   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: #c79a2e;
}

/* Post content typography */
.post-content {
    line-height: 1.8;
    font-size: 1.05rem;
    color: #322b4a;
}

.post-content :is(h2, h3, h4) {
    margin-block: 2rem 1rem;
    font-weight: 700;
    color: #3d2370;
    line-height: 1.4;
}

.post-content h2 {
    font-size: 1.75rem;
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, #d4a13e 0%, #6d28d9 45%, rgba(109, 40, 217, 0.12) 100%) 1;
}

.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 #d4a13e;
    padding: var(--space-sm) var(--space-md);
    background: linear-gradient(135deg, #fbf8ff 0%, #f2eafe 100%);
    border-radius: 0 18px 18px 0;
    margin-block: var(--space-md);
    color: #5d5378;
    font-style: italic;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 18px;
    margin-block: var(--space-sm);
    box-shadow: 0 4px 14px -4px rgba(55, 38, 100, 0.12), 0 14px 30px -14px rgba(55, 38, 100, 0.22);
}

.post-content a {
    color: #6d28d9;
    text-decoration: underline;
    transition: color 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-content a:hover {
    color: #4c1d95;
}

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

.post-content code {
    background: linear-gradient(180deg, #f0e9fb 0%, #e9dff8 100%);
    padding: 2px 6px;
    border-radius: 7px;
    font-size: 0.9em;
    color: #be185d;
}

.post-content pre {
    background:
        radial-gradient(circle at 18% 0%, rgba(212, 161, 62, 0.25), transparent 42%),
        linear-gradient(135deg, #140e2a 0%, #241a4c 55%, #34216d 100%);
    color: #fdf9ed;
    padding: var(--space-md);
    border-radius: 18px;
    overflow-x: auto;
    margin-block: var(--space-md);
    box-shadow: 0 18px 40px -18px rgba(40, 20, 90, 0.55);
}

.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 #ddd3ee;
    text-align: start;
}

.post-content table th {
    background: linear-gradient(180deg, #f4eefb 0%, #e8ddf6 100%);
    font-weight: 600;
}

/* TOC */
.toc-box {
    border-inline-start: 3px solid #d4a13e;
}

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

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

.toc-box ol li a {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toc-box ol li a:hover {
    color: #4c1d95;
    text-decoration: underline !important;
    padding-inline-start: 4px;
}

/* Tags */
.post-tags .badge {
    background: linear-gradient(135deg, #f2ebfa, #e4d8f5) !important;
    color: #49346e !important;
    padding: 6px 12px;
    font-weight: 500;
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-tags .badge:hover {
    background: linear-gradient(135deg, #e6bd4d, #c08a1f) !important;
    color: #211838 !important;
    transform: translateY(-1px);
    box-shadow: 0 10px 22px -8px rgba(212, 161, 62, 0.55);
}

/* 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(ellipse at 18% 18%, rgba(212, 161, 62, 0.4), transparent 48%),
        radial-gradient(ellipse at 85% 8%, rgba(139, 92, 246, 0.5), transparent 52%),
        linear-gradient(125deg, #0b071a 0%, #21145a 48%, #4c2b8a 100%);
    color: #fff8e8;
    position: relative;
    overflow: hidden;
}

.app-hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 80% 15%, rgba(212, 161, 62, 0.16), transparent 46%),
        linear-gradient(125deg, rgba(7, 3, 20, 0.55) 0%, rgba(25, 10, 55, 0.28) 100%);
    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(0.22, 1, 0.36, 1);
    filter: drop-shadow(0 26px 34px rgba(6, 2, 20, 0.6)) drop-shadow(0 10px 24px rgba(212, 161, 62, 0.22));
}

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

.text-white-50 {
    color: rgba(255, 236, 200, 0.72) !important;
}

/* ============================================
   3. App QR (AppQrSection)
   ============================================ */
.app-qr-section {
    background:
        radial-gradient(circle at 88% 10%, rgba(212, 161, 62, 0.2), transparent 38%),
        radial-gradient(circle at 10% 80%, rgba(109, 40, 217, 0.12), transparent 42%),
        linear-gradient(180deg, #fdfaf8 0%, #f4ecfb 100%);
}

.qr-card {
    transition: all 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    border: 2px solid transparent;
}

.qr-card:hover {
    transform: scale(1.03);
    border-color: #ca9830;
    box-shadow: 0 18px 38px -18px rgba(77, 35, 140, 0.4), 0 8px 20px -8px rgba(212, 161, 62, 0.35);
}

.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 12% 20%, rgba(109, 40, 217, 0.1), transparent 42%),
        radial-gradient(circle at 88% 90%, rgba(212, 161, 62, 0.16), transparent 40%),
        linear-gradient(160deg, #fff8ea 0%, #f3eafb 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 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.app-install-section .bg-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -18px rgba(62, 30, 120, 0.35), 0 8px 22px -12px rgba(212, 161, 62, 0.35);
}

.app-install-section .bg-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #6d28d9 0%, #d4a13e 100%);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.55s 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:
        radial-gradient(circle at 50% 0%, rgba(212, 161, 62, 0.15), transparent 45%),
        linear-gradient(180deg, #fdf9f2 0%, #f3edfc 100%);
}

.app-showcase-section img {
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    filter: drop-shadow(0 18px 32px rgba(48, 24, 100, 0.25)) drop-shadow(0 6px 18px rgba(212, 161, 62, 0.18));
}

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

.app-showcase-section .bg-white {
    transition: all 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    border-inline-start: 3px solid transparent;
}

.app-showcase-section .bg-white:hover {
    border-inline-start-color: #6d28d9;
    transform: translateX(5px);
    box-shadow: 0 10px 24px -10px rgba(62, 30, 120, 0.22), 0 24px 44px -20px rgba(62, 30, 120, 0.3);
}

/* ============================================
   6. Contact Sections
   ============================================ */
.contact-channels-section {
    background:
        radial-gradient(circle at 6% 20%, rgba(109, 40, 217, 0.07), transparent 42%),
        radial-gradient(circle at 94% 80%, rgba(212, 161, 62, 0.16), transparent 45%),
        linear-gradient(180deg, #fdfcff 0%, #f5effb 100%);
}

.contact-channels-section article {
    transition: all 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    border: 1px solid #eae4f7;
}

.contact-channels-section article:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 40px -20px rgba(62, 30, 120, 0.32), 0 8px 24px -12px rgba(212, 161, 62, 0.4);
    border-color: #6d28d9;
}

.contact-channels-section article ul li {
    transition: padding var(--transition-fast), color var(--transition-fast);
}

.contact-channels-section article ul li:hover {
    padding-inline-start: 4px;
    color: #4c1d95;
}

/* Contact Quick */
.contact-quick-section {
    background:
        radial-gradient(circle at 88% 18%, rgba(212, 161, 62, 0.18), transparent 40%),
        radial-gradient(circle at 12% 85%, rgba(109, 40, 217, 0.1), transparent 44%),
        linear-gradient(150deg, #fdf8ff 0%, #f2eafb 100%);
}

.contact-quick-section .contact-card {
    transition: all 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.contact-quick-section .contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 44px -20px rgba(62, 30, 120, 0.35), 0 8px 22px -12px rgba(212, 161, 62, 0.3);
}

.contact-quick-section .contact-card i {
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Contact Form */
.contact-form-section {
    background:
        radial-gradient(circle at 88% 12%, rgba(109, 40, 217, 0.1), transparent 40%),
        linear-gradient(180deg, #fdfaf5 0%, #f3ebfc 100%);
}

.contact-form-section .form-control,
.contact-form-section .form-select {
    border: 2px solid #e5ddf4;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-form-section .form-control:focus,
.contact-form-section .form-select:focus {
    border-color: #6d28d9;
    box-shadow: 0 0 0 0.28rem rgba(109, 40, 217, 0.15), 0 8px 20px -12px rgba(109, 40, 217, 0.35);
}

.contact-form-section button[type="submit"] {
    transition: all 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.contact-form-section button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -12px rgba(109, 40, 217, 0.55), 0 10px 24px -14px rgba(212, 161, 62, 0.45);
}

/* Contact Commitments */
.contact-commitments-section {
    background:
        radial-gradient(circle at 20% 10%, rgba(212, 161, 62, 0.12), transparent 42%),
        linear-gradient(180deg, #fefaee 0%, #f1e9fa 100%);
}

.contact-commitments-section .bg-white {
    transition: all 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    text-align: center;
}

.contact-commitments-section .bg-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 42px -20px rgba(62, 30, 120, 0.32), 0 8px 22px -12px rgba(212, 161, 62, 0.35);
}

.contact-commitments-section .bg-white i {
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 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: #eee7f9;
    border-color: #e3daf4;
    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: #6d28d9;
    background-color: #faf4ff;
}

main:has(> .container > .bg-white > form) .input-group:focus-within .form-control {
    border-color: #6d28d9;
}

main:has(> .container > .bg-white > form) .form-check-input:checked {
    background-color: #6d28d9;
    border-color: #6d28d9;
}

main:has(> .container > .bg-white > form) button[type="submit"] {
    transition: all 0.55s 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 16px 34px -14px rgba(109, 40, 217, 0.55), 0 10px 24px -14px rgba(212, 161, 62, 0.4);
}

/* ============================================
   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 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 44px -18px rgba(8, 2, 28, 0.6), 0 8px 24px -12px rgba(212, 161, 62, 0.3);
}

.hero-buttons .btn-warning {
    background-image: linear-gradient(135deg, #f1d179 0%, #d9a93e 55%, #bf8420 100%);
    background-color: #c9972e;
    border-color: #d9a938;
    color: #241a46;
    font-weight: 600;
}

.hero-buttons .btn-warning:hover {
    background-image: linear-gradient(135deg, #d4a13e 0%, #b5821a 100%);
    background-color: #b5821a;
    border-color: #b5821a;
}

.hero-buttons .btn-outline-light:hover {
    background-color: rgba(255, 236, 200, 0.2);
    color: #fff6e2;
}

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

::-webkit-scrollbar-track {
    background: #f1ebfa;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #9676d4 0%, #6d28d9 100%);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #d4a13e 0%, #a8781e 100%);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #7c55c4 #f1ebfa;
}

/* ============================================
   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: #191329 !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: #1a142e !important;
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 9pt;
        color: #4b4268;
    }

    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: #161026 !important;
    }

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.animate-pulse {
    animation: pulse 2s 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;
        text-shadow: 0 0 42px rgba(255, 209, 84, 0.18), 0 2px 16px rgba(17, 12, 34, 0.28);
    }

    .app-hero-section .badge.bg-warning {
        font-size: 0.85rem;
        background: linear-gradient(135deg, #ffe09a 0%, #f5c453 38%, #e29a2c 72%, #be7a1f 100%) !important;
        box-shadow: 0 10px 26px -8px rgba(240, 176, 48, 0.55), 0 4px 14px -6px rgba(15, 15, 26, 0.28);
        border-radius: 999px;
    }

    .contact-channels-section article,
    .contact-quick-section .contact-card {
        padding: var(--space-md) !important;
        border-radius: 1.375rem;
        box-shadow: 0 24px 48px -24px rgba(35, 18, 70, 0.45), 0 10px 28px -18px rgba(15, 15, 26, 0.3);
        transition: box-shadow 0.45s cubic-bezier(0.22, 1, 0.36, 1), border-radius 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    }
}