/* ============================================================
   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: #7928ca;
}

/* Post content typography */
.post-content {
    line-height: 1.8;
    font-size: 1.05rem;
    color: #1e1b4b;
}

.post-content :is(h2, h3, h4) {
    margin-block: 2rem 1rem;
    font-weight: 700;
    color: #4c1d95;
    line-height: 1.4;
}

.post-content h2 {
    font-size: 1.75rem;
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid #a855f7;
}

.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 #ec4899;
    padding: var(--space-sm) var(--space-md);
    background: linear-gradient(90deg, #fdf4ff 0%, #fbcfe8 100%);
    border-radius: 0 16px 16px 0;
    margin-block: var(--space-md);
    color: #7e22ce;
    font-style: italic;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin-block: var(--space-sm);
    box-shadow: 0 4px 16px rgba(236, 72, 153, 0.15), 0 2px 6px rgba(121, 40, 202, 0.1);
}

.post-content a {
    color: #7928ca;
    text-decoration: underline;
    transition: color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-content a:hover {
    color: #f97316;
}

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

.post-content code {
    background: linear-gradient(135deg, #f5f3ff 0%, #fdf4ff 100%);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.9em;
    color: #ef4444;
}

.post-content pre {
    background: linear-gradient(135deg, #4c1d95 0%, #7e22ce 100%);
    color: #fff;
    padding: var(--space-md);
    border-radius: 12px;
    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 #c084fc;
    text-align: start;
}

.post-content table th {
    background: linear-gradient(135deg, #f3e8ff 0%, #fae8ff 100%);
    font-weight: 600;
}

/* TOC */
.toc-box {
    border-inline-start: 3px solid #f97316;
}

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

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

.toc-box ol li a {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.toc-box ol li a:hover {
    color: #7928ca;
    text-decoration: underline !important;
    padding-inline-start: 4px;
}

/* Tags */
.post-tags .badge {
    background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%) !important;
    color: #581c87 !important;
    padding: 6px 12px;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-tags .badge:hover {
    background: linear-gradient(135deg, #7928ca 0%, #ec4899 100%) !important;
    color: #fff !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: linear-gradient(135deg, #7928ca 0%, #ec4899 35%, #f97316 70%, #facc15 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.app-hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(30, 27, 75, 0.15);
    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 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 20px 40px rgba(121, 40, 202, 0.35));
}

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

.text-white-50 {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* ============================================
   3. App QR (AppQrSection)
   ============================================ */
.app-qr-section {
    background: linear-gradient(135deg, #fdf4ff 0%, #fff7ed 100%);
}

.qr-card {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.qr-card:hover {
    transform: scale(1.03);
    border-color: #f97316;
    box-shadow: 0 15px 40px rgba(249, 115, 22, 0.2), 0 8px 20px rgba(121, 40, 202, 0.1);
}

.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(135deg, #fff7ed 0%, #fef3c7 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 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.app-install-section .bg-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 36px rgba(249, 115, 22, 0.2), 0 6px 18px rgba(236, 72, 153, 0.12);
}

.app-install-section .bg-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #f97316 0%, #ec4899 50%, #7928ca 100%);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ============================================
   5. App Showcase (AppShowcaseSection)
   ============================================ */
.app-showcase-section {
    background: linear-gradient(135deg, #fef3c7 0%, #f7fee7 100%);
}

.app-showcase-section img {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 15px 30px rgba(249, 115, 22, 0.2));
}

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

.app-showcase-section .bg-white {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-inline-start: 3px solid transparent;
}

.app-showcase-section .bg-white:hover {
    border-inline-start-color: #7928ca;
    transform: translateX(5px);
    box-shadow: 0 8px 24px rgba(121, 40, 202, 0.2), 0 4px 12px rgba(236, 72, 153, 0.1);
}

/* ============================================
   6. Contact Sections
   ============================================ */
.contact-channels-section {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #fcd34d 100%);
}

.contact-channels-section article {
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    border: 1px solid;
    border-image: linear-gradient(90deg, #f97316, #ec4899) 1;
}

.contact-channels-section article:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(249, 115, 22, 0.2), 0 4px 6px -4px rgba(236, 72, 153, 0.25), 0 0 22px rgba(249, 115, 22, 0.12);
    border-image: linear-gradient(90deg, #ea580c, #db2777) 1;
}

.contact-channels-section article ul li {
    transition: padding 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Contact Quick */
.contact-quick-section {
    background: linear-gradient(45deg, #dbeafe 0%, #93c5fd 50%, #3b82f6 100%);
}

.contact-quick-section .contact-card {
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.contact-quick-section .contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px -5px rgba(59, 130, 246, 0.3), 0 6px 12px -6px rgba(147, 197, 253, 0.4);
}

.contact-quick-section .contact-card i {
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

/* Contact Form */
.contact-form-section {
    background: linear-gradient(225deg, #d1fae5 0%, #6ee7b7 50%, #10b981 100%);
}

.contact-form-section .form-control,
.contact-form-section .form-select {
    border: 2px solid #059669;
    transition: all 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.contact-form-section .form-control:focus,
.contact-form-section .form-select:focus {
    border-color: #065f46;
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.25);
}

.contact-form-section button[type="submit"] {
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.contact-form-section button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px -2px rgba(16, 185, 129, 0.4), 0 4px 8px -3px rgba(6, 182, 212, 0.3);
}

/* Contact Commitments */
.contact-commitments-section {
    background: linear-gradient(315deg, #fce7f3 0%, #f9a8d4 50%, #ec4899 100%);
}

.contact-commitments-section .bg-white {
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    text-align: center;
}

.contact-commitments-section .bg-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -3px rgba(236, 72, 153, 0.3), 0 5px 10px -5px rgba(244, 114, 182, 0.4);
}

.contact-commitments-section .bg-white i {
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.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: linear-gradient(90deg, #f3e8ff 0%, #e9d5ff 100%);
    border-color: #a855f7;
    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: linear-gradient(90deg, #ede9fe 0%, #ddd6fe 100%);
}

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 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    font-weight: 600;
}

main:has(> .container > .bg-white > form) button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px -3px rgba(124, 58, 237, 0.4), 0 4px 8px -4px rgba(168, 85, 247, 0.3);
}

/* ============================================
   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(0.23, 1, 0.32, 1);
}

.hero-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px -4px rgba(234, 179, 8, 0.4), 0 5px 10px -3px rgba(250, 204, 21, 0.3);
}

.hero-buttons .btn-warning {
    background: linear-gradient(90deg, #facc15 0%, #f59e0b 100%);
    border-color: #f59e0b;
    color: #78350f;
    font-weight: 600;
}

.hero-buttons .btn-warning:hover {
    background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
    border-color: #d97706;
}

.hero-buttons .btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.25);
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: linear-gradient(180deg, #fef3c7 0%, #fde68a 100%);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #f97316 0%, #ec4899 100%);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #ea580c 0%, #db2777 100%);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #f97316 #fef3c7;
}

/* ============================================
   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(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-fade-in {
    animation: fadeInUp 0.7s ease-out;
}

.animate-pulse {
    animation: pulse 1.8s infinite ease-in-out;
}

/* ============================================
   13. Responsive
   ============================================ */
@media (max-width: 991.98px) {
    .post-content {
        font-size: 1rem;
        transition: all 0.5s cubic-bezier(0.25, 0.85, 0.25, 1);
        background: linear-gradient(180deg, rgba(255,245,230,0.9) 0%, rgba(230,240,255,0.9) 100%);
    }

    .post-content h2 {
        font-size: 1.5rem;
        text-shadow: 0 2px 4px rgba(255, 94, 98, 0.25);
    }

    .post-content h3 {
        font-size: 1.2rem;
        text-shadow: 0 1px 3px rgba(78, 205, 196, 0.2);
    }
}

@media (max-width: 767.98px) {
    .single-post {
        padding: var(--space-md) !important;
        border: 2px solid;
        border-image: linear-gradient(45deg, #f093fb, #f5576c, #4facfe) 1;
        box-shadow: 0 8px 24px rgba(245, 87, 108, 0.15), 0 3px 8px rgba(79, 172, 254, 0.1);
        border-radius: 12px;
        transition: all 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

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

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

    .post-nav {
        flex-direction: column;
        background: radial-gradient(circle at top left, rgba(255, 220, 177, 0.6) 0%, transparent 60%);
    }

    .post-nav .btn {
        width: 100%;
        transition: all 0.45s cubic-bezier(0.25, 1, 0.5, 1);
        box-shadow: 0 4px 12px rgba(79, 172, 254, 0.2);
    }

    .post-tags .badge {
        font-size: 0.8rem;
        padding: 4px 8px;
        background-image: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
        border-radius: 20px;
        color: #2d3436;
    }

    .app-hero-section h1 {
        font-size: 1.75rem;
        text-shadow: 0 4px 12px rgba(18, 194, 233, 0.35);
    }

    .app-install-section .badge.rounded-circle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        background: conic-gradient(#ff9a9e, #fecfef, #fecfef, #ff9a9e);
        box-shadow: 0 4px 16px rgba(255, 154, 158, 0.4);
    }

    .toc-box {
        padding: var(--space-sm) !important;
        background: linear-gradient(to bottom right, rgba(168, 237, 234, 0.7) 0%, rgba(254, 214, 227, 0.7) 100%);
        border-radius: 16px;
        border-left: 4px solid #f5576c;
    }

    .qr-card img {
        max-width: 140px !important;
        filter: drop-shadow(0 6px 18px rgba(72, 219, 251, 0.3));
        border-radius: 10px;
    }
}

@media (max-width: 575.98px) {
    .app-hero-section .row .col-lg-7 {
        text-align: center;
    }

    .app-hero-section .badge.bg-warning {
        font-size: 0.85rem;
        background: linear-gradient(90deg, #f093fb 0%, #f5576c 100%);
        color: #ffffff;
        border-radius: 24px;
        box-shadow: 0 3px 10px rgba(240, 147, 251, 0.4);
    }

    .contact-channels-section article,
    .contact-quick-section .contact-card {
        padding: var(--space-md) !important;
        background: linear-gradient(160deg, rgba(34, 193, 195, 0.15) 0%, rgba(253, 187, 45, 0.15) 100%);
        border: 2px solid transparent;
        border-image: linear-gradient(160deg, #22c1c3, #fdbb2d) 1;
        border-radius: 18px;
        transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
        box-shadow: 0 6px 20px rgba(34, 193, 195, 0.12), 0 2px 6px rgba(253, 187, 45, 0.1);
    }
}