/* ==================================================
   United Jake — Terms & Conditions Page Styles
   Depends on ../styles.css (variables, nav, footer, reveal, etc.)
   Bilingual (EN / 中文) support added.
   ================================================== */

/* ===== Chinese Font Stack =====
   Applied when <html data-lang="zh"> / lang="zh-CN".
   Noto Sans SC is loaded in index.html <head>. */
html[data-lang="zh"],
html[lang="zh-CN"] {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei',
                 'WenQuanYi Micro Hei', system-ui, sans-serif;
}
html[data-lang="zh"] .gov-flag-svg text,
html[lang="zh-CN"] .gov-flag-svg text {
    font-family: Arial, sans-serif; /* keep roman numerals crisp in the seal */
}

/* ===== Page Header / Hero ===== */
.terms-hero {
    min-height: 50vh;
    display: flex;
    align-items: center;
    padding: 130px 24px 50px;
    position: relative;
    overflow: hidden;
}
.terms-hero-inner {
    position: relative;
    z-index: 1;
    max-width: var(--max);
    margin: 0 auto;
    width: 100%;
}
.terms-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--grad-soft);
    border: 1px solid rgba(108, 92, 231, 0.25);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--text-2);
    margin-bottom: 24px;
}
.terms-hero .hero-title {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 18px;
}
.terms-hero .hero-sub {
    display: block;
    font-size: clamp(0.8rem, 1.6vw, 0.95rem);
    font-weight: 400;
    color: var(--text-3);
    letter-spacing: 2px;
    margin-top: 8px;
    text-transform: uppercase;
}
.terms-hero .hero-desc {
    font-size: 1rem;
    color: var(--text-2);
    max-width: 680px;
    line-height: 1.8;
}

/* ===== Main Layout ===== */
.terms-section {
    padding: 32px 0 96px;
}
.terms-container {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 48px;
    align-items: flex-start;
}

/* ===== Table of Contents (Sticky) ===== */
.terms-toc {
    position: sticky;
    top: calc(var(--nav-h) + 48px);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px 18px;
    max-height: calc(100vh - var(--nav-h) - 72px);
    overflow-y: auto;
    transition: background var(--t), border-color var(--t);
}
.terms-toc::-webkit-scrollbar { width: 4px; }
.terms-toc::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.toc-head {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    color: var(--accent);
}
.toc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.toc-list li a {
    display: block;
    padding: 8px 12px;
    font-size: 0.82rem;
    color: var(--text-2);
    border-radius: 8px;
    transition: var(--t);
    border-left: 2px solid transparent;
    line-height: 1.4;
}
.toc-list li a:hover {
    color: var(--text);
    background: var(--grad-soft);
    border-left-color: var(--accent);
}
.toc-list li a.active {
    color: var(--accent);
    background: var(--grad-soft);
    border-left-color: var(--accent);
    font-weight: 500;
}

/* ===== Articles ===== */
.terms-articles {
    display: flex;
    flex-direction: column;
    gap: 44px;
    max-width: 720px;
}
.terms-article {
    position: relative;
    padding: 32px 0 0;
    border-top: 1px solid var(--border-light);
}
.terms-article:first-child {
    border-top: none;
    padding-top: 0;
}
.article-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--grad);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 11px;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-glow);
}
.terms-article h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 14px;
    color: var(--text);
    line-height: 1.3;
}
.terms-article h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 24px 0 10px;
    color: var(--text);
}
.terms-article p {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.85;
    margin-bottom: 12px;
}
.terms-article a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--t);
}
.terms-article a:hover {
    border-bottom-color: var(--accent);
}
.terms-article strong {
    color: var(--text);
    font-weight: 600;
}
.terms-article em {
    font-style: italic;
    color: var(--text);
}

/* ===== Definition List ===== */
.def-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 8px 0 14px;
    padding: 0;
}
.def-list li {
    position: relative;
    padding: 10px 14px 10px 20px;
    background: var(--bg-elev);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 0.86rem;
    color: var(--text-2);
    line-height: 1.7;
    transition: var(--t);
}
.def-list li::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
}
.def-list li:hover {
    border-color: var(--accent);
    background: var(--grad-soft);
}
.def-list li strong {
    color: var(--text);
    font-weight: 600;
}

/* ===== Callout Boxes ===== */
.terms-callout {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 18px 0;
    padding: 14px 18px;
    background: var(--grad-soft);
    border: 1px solid rgba(108, 92, 231, 0.2);
    border-radius: 12px;
    font-size: 0.84rem;
    color: var(--text-2);
    line-height: 1.7;
    transition: var(--t);
}
.terms-callout svg {
    flex-shrink: 0;
    color: var(--accent);
    margin-top: 2px;
}
.terms-callout span {
    flex: 1;
}
.terms-callout strong {
    color: var(--text);
}
.terms-callout-warn {
    background: rgba(255, 165, 0, 0.06);
    border-color: rgba(255, 165, 0, 0.25);
}
.terms-callout-warn svg {
    color: #e8a020;
}

/* ===== Mini Cards (Section 03) ===== */
.terms-mini-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 14px 0 6px;
}
.mini-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 16px;
    transition: var(--t);
}
.mini-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.mini-card-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--grad-soft);
    border-radius: 9px;
    color: var(--accent);
    margin-bottom: 12px;
}
.mini-card h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}
.mini-card p {
    font-size: 0.8rem;
    color: var(--text-2);
    line-height: 1.65;
    margin: 0;
}

/* ===== Conduct Grid (Section 04) ===== */
.conduct-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 14px 0 6px;
}
.conduct-card {
    border-radius: var(--radius);
    padding: 22px;
    border: 1px solid var(--border);
    transition: var(--t);
}
.conduct-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.conduct-ok {
    background: rgba(61, 220, 151, 0.04);
    border-color: rgba(61, 220, 151, 0.2);
}
.conduct-ok:hover { border-color: var(--success); }
.conduct-bad {
    background: rgba(255, 80, 80, 0.04);
    border-color: rgba(255, 80, 80, 0.2);
}
.conduct-bad:hover { border-color: #ff5050; }
.conduct-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.conduct-ok .conduct-icon {
    background: rgba(61, 220, 151, 0.15);
    color: var(--success);
}
.conduct-bad .conduct-icon {
    background: rgba(255, 80, 80, 0.15);
    color: #ff5050;
}
.conduct-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}
.conduct-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.conduct-card ul li {
    font-size: 0.82rem;
    color: var(--text-2);
    line-height: 1.65;
    padding-left: 14px;
    position: relative;
}
.conduct-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
}
.conduct-ok ul li::before { background: var(--success); }
.conduct-bad ul li::before { background: #ff5050; }

/* ===== Data Table (Section 05) ===== */
.data-table {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 12px 0 20px;
}
.data-table-head,
.data-table-row {
    display: grid;
    grid-template-columns: 1.2fr 1.5fr 1fr;
    align-items: center;
    padding: 12px 18px;
    gap: 10px;
}
.data-table-head {
    background: var(--grad-soft);
    border-bottom: 1px solid var(--border);
    font-size: 0.73rem;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}
.data-table-row {
    font-size: 0.84rem;
    color: var(--text-2);
    border-bottom: 1px solid var(--border-light);
    transition: var(--t);
}
.data-table-row:last-child { border-bottom: none; }
.data-table-row:hover { background: var(--bg-card-hover); }
.data-table-row strong { color: var(--text); font-weight: 600; }

/* ===== Rights Grid (Section 05) ===== */
.rights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 12px 0 6px;
}
.right-card {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 16px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--t);
}
.right-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.right-card svg { color: var(--accent); margin-bottom: 2px; }
.right-card strong {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text);
}
.right-card span {
    font-size: 0.78rem;
    color: var(--text-2);
    line-height: 1.6;
}

/* ===== IP Cards (Section 06) ===== */
.ip-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 14px 0 6px;
}
.ip-card {
    padding: 22px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--t);
}
.ip-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.ip-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--grad-soft);
    border-radius: 10px;
    color: var(--accent);
    margin-bottom: 14px;
}
.ip-card h4 {
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}
.ip-card p {
    font-size: 0.82rem;
    color: var(--text-2);
    line-height: 1.7;
    margin: 0;
}

/* ===== Dispute Steps (Section 08) ===== */
.dispute-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 14px 0 6px;
    position: relative;
}
.dispute-steps::before {
    content: '';
    position: absolute;
    left: 21px;
    top: 40px;
    bottom: 40px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--accent-2));
    opacity: 0.3;
    border-radius: 2px;
}
.dispute-step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--t);
    position: relative;
    z-index: 1;
}
.dispute-step:hover {
    border-color: var(--accent);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}
.step-num {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--grad);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}
.step-body h4 {
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text);
}
.step-body p {
    font-size: 0.82rem;
    color: var(--text-2);
    line-height: 1.65;
    margin: 0;
}

/* ===== Contact Cards (Section 10) ===== */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 14px 0 20px;
}
.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--t);
}
.contact-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.contact-icon {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--grad-soft);
    border-radius: 9px;
    color: var(--accent);
}
.contact-card h4 {
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text);
}
.contact-card p {
    font-size: 0.8rem;
    color: var(--text-2);
    line-height: 1.65;
    margin: 0;
}

/* ===== Language Toggle Button =====
   Sits in .nav-actions next to the theme button.
   Mirrors .theme-btn sizing from ../styles.css. */
.lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 40px;
    min-width: 40px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius, 10px);
    background: var(--bg-card);
    color: var(--text-2);
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1;
    transition: var(--t);
}
.lang-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--grad-soft);
    transform: translateY(-1px);
}
.lang-btn:active {
    transform: translateY(0);
}
.lang-globe {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}
.lang-label {
    display: inline;
}
.lang-label-short {
    display: none;
}

/* ===== Responsive: Tablet ===== */
@media (max-width: 900px) {
    .terms-container {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .terms-toc {
        position: static;
        max-height: none;
        columns: 2;
        column-gap: 20px;
        padding: 18px;
    }
    .toc-head {
        column-span: all;
    }
    .toc-list {
        display: block;
        columns: 2;
        column-gap: 12px;
    }
    .toc-list li {
        break-inside: avoid;
    }
    .terms-mini-cards,
    .rights-grid,
    .ip-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .conduct-grid {
        grid-template-columns: 1fr;
    }
    .contact-cards {
        grid-template-columns: 1fr;
    }
    .data-table-head,
    .data-table-row {
        grid-template-columns: 1fr;
        gap: 3px;
        padding: 10px 14px;
    }
    .data-table-head {
        display: none;
    }
}

/* ===== Responsive: Mobile ===== */
@media (max-width: 640px) {
    .terms-hero {
        padding: 96px 20px 36px;
        min-height: auto;
    }
    .terms-hero .hero-title {
        font-size: 1.8rem;
        letter-spacing: -1px;
    }
    .terms-hero .hero-desc {
        font-size: 0.92rem;
    }
    .terms-section {
        padding: 20px 0 64px;
    }
    .terms-articles {
        gap: 36px;
    }
    .terms-article {
        padding-top: 24px;
    }
    .terms-article h2 {
        font-size: 1.2rem;
    }
    .terms-article p {
        font-size: 0.85rem;
    }
    .terms-toc {
        columns: 1;
        padding: 16px;
    }
    .toc-list {
        columns: 1;
    }
    .toc-list li a {
        font-size: 0.8rem;
        padding: 7px 10px;
    }
    .terms-mini-cards,
    .rights-grid,
    .ip-cards {
        grid-template-columns: 1fr;
    }
    .dispute-step {
        padding: 14px;
        gap: 12px;
    }
    .step-num {
        width: 34px;
        height: 34px;
        font-size: 0.85rem;
    }
    .dispute-steps::before {
        left: 17px;
    }
    .contact-cards {
        grid-template-columns: 1fr;
    }
    .conduct-card {
        padding: 18px;
    }
    .def-list li {
        font-size: 0.82rem;
        padding: 8px 12px 8px 18px;
    }
    /* On mobile the lang button shrinks to a compact globe + single glyph */
    .lang-btn {
        min-width: 36px;
        height: 36px;
        padding: 0 8px;
    }
    .lang-label {
        display: none;
    }
    .lang-label-short {
        display: inline;
    }
}