/* ============================================================
   DTS-Monaco 前端设计系统（深色主题）
   ============================================================ */
:root {
    --bg: #0b0f17;
    --bg-soft: #0f1522;
    --card: #141b2b;
    --card-2: #1a2337;
    --border: #26304a;
    --border-soft: #1f2840;
    --text: #e6edf9;
    --text-dim: #9aa7bd;
    --accent: #4f8cff;
    --accent-2: #8b5cf6;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 14px;
    --shadow: 0 12px 32px rgba(2, 6, 16, 0.45);
    --gradient: linear-gradient(135deg, #4f8cff 0%, #8b5cf6 100%);
}

* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }

html, body { min-height: 100%; }

body {
    background:
        radial-gradient(1000px 500px at 85% -10%, rgba(139, 92, 246, 0.14), transparent 60%),
        radial-gradient(900px 480px at -10% 0%, rgba(79, 140, 255, 0.12), transparent 55%),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #79a7ff; }

/* ---------- 提示条 ---------- */
.alert-banner {
    display: none;
    border-radius: 11px;
    padding: 13px 16px;
    font-size: 0.9rem;
    margin-bottom: 18px;
    border: 1px solid var(--border-soft);
    background: var(--bg-soft);
}

    .alert-banner.is-error {
        border-color: rgba(239, 68, 68, 0.45);
        background: rgba(239, 68, 68, 0.08);
        color: #fca5a5;
    }

    .alert-banner.is-success {
        border-color: rgba(34, 197, 94, 0.45);
        background: rgba(34, 197, 94, 0.08);
        color: #86efac;
    }

    .alert-banner.is-info {
        border-color: rgba(79, 140, 255, 0.45);
        background: rgba(79, 140, 255, 0.08);
        color: #a5c8ff;
    }

/* ---------- 顶部导航 ---------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(11, 15, 23, 0.78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-soft);
}

.topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 18px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text) !important;
    letter-spacing: 0.3px;
}

    .brand:hover { color: #fff !important; text-decoration: none; }

.brand-logo {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.95rem;
    box-shadow: 0 4px 14px rgba(79, 140, 255, 0.4);
}

.nav-links { display: flex; align-items: center; gap: 4px; flex: 1; overflow-x: auto; }
.nav-links::-webkit-scrollbar { display: none; }

.nav-link-item {
    padding: 8px 14px;
    border-radius: 10px;
    color: var(--text-dim) !important;
    font-size: 0.92rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s ease;
}

    .nav-link-item:hover { color: var(--text) !important; background: rgba(255, 255, 255, 0.06); text-decoration: none; }
    .nav-link-item.active { color: #fff !important; background: rgba(79, 140, 255, 0.16); }

.auth-area { display: flex; align-items: center; gap: 12px; margin-left: auto; }

.user-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 6px;
    border-radius: 999px;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.85rem;
    max-width: 220px;
}

    .user-chip .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    border-radius: 10px;
    padding: 7px 14px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

    .btn-logout:hover {
        color: #fca5a5;
        border-color: rgba(239, 68, 68, 0.5);
        background: rgba(239, 68, 68, 0.08);
    }

/* ---------- 主内容 ---------- */
.app-main {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 36px 20px 60px;
}

.page-head { text-align: center; margin-bottom: 34px; }

.page-title {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 800;
    background: linear-gradient(90deg, #e6edf9 0%, #9db8f5 60%, #b79df8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.page-sub { color: var(--text-dim); font-size: 0.98rem; max-width: 620px; margin: 0 auto; }

/* ---------- 首页 Hero 车图 ---------- */
.hero-visual {
    max-width: 780px;
    margin: 0 auto 28px;
    animation: fadeUp 0.6s ease backwards;
    pointer-events: none;
}

    .hero-visual img {
        width: 100%;
        height: auto;
        display: block;
        filter: drop-shadow(0 26px 34px rgba(0, 0, 0, 0.45));
    }

/* ---------- 卡片 ---------- */
.panel {
    background: linear-gradient(180deg, var(--card) 0%, var(--bg-soft) 100%);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: border-color 0.25s ease;
}

    .panel.pad { padding: 26px; }
    .panel:hover { border-color: var(--border); }

/* ---------- 按钮 ---------- */
.btn {
    border: none;
    border-radius: 11px;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 26px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

    .btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 6px 18px rgba(79, 140, 255, 0.35);
}

    .btn-primary:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(79, 140, 255, 0.45);
        color: #fff;
    }

.btn-success {
    background: linear-gradient(135deg, #16a34a, #15803d);
    color: #fff;
    box-shadow: 0 6px 18px rgba(22, 163, 74, 0.3);
}

    .btn-success:hover:not(:disabled) { transform: translateY(-2px); color: #fff; }

.btn-ghost { background: var(--card-2); border: 1px solid var(--border); color: var(--text); }

    .btn-ghost:hover:not(:disabled) { border-color: var(--accent); color: #fff; }

.btn-block { width: 100%; }

/* ---------- 表单 ---------- */
.field-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.input {
    width: 100%;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 11px;
    padding: 13px 15px;
    color: var(--text);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

    .input::placeholder { color: #556179; }
    .input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.18); }

textarea.input { resize: vertical; min-height: 120px; font-family: 'Cascadia Code', Consolas, monospace; }

.form-group { margin-bottom: 1.15rem; }

.form-check-input {
    background-color: var(--bg-soft);
    border-color: var(--border);
}

    .form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }

/* ---------- Token 信息卡 ---------- */
.token-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.token-label { display: flex; align-items: center; gap: 12px; }

.token-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(79, 140, 255, 0.14);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.token-title { font-weight: 600; color: var(--text); font-size: 1rem; }
.token-desc { color: var(--text-dim); font-size: 0.84rem; margin: 0; }

.token-num {
    font-size: 1.9rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.token-unit { color: var(--text-dim); font-size: 0.85rem; }

/* ---------- 结果区 ---------- */
.result-area {
    display: none;
    border-radius: 12px;
    border: 1px solid var(--border-soft);
    background: var(--bg-soft);
    padding: 18px;
    margin-top: 22px;
}

    .result-area.show { display: block; animation: fadeUp 0.35s ease; }
    .result-area.is-success { border-color: rgba(34, 197, 94, 0.4); background: rgba(34, 197, 94, 0.06); }
    .result-area.is-error { border-color: rgba(239, 68, 68, 0.4); background: rgba(239, 68, 68, 0.06); }
    .result-area.is-loading { border-color: rgba(79, 140, 255, 0.4); background: rgba(79, 140, 255, 0.06); }

.result-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    gap: 10px;
}

.result-title {
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--accent);
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: 8px;
    transition: background 0.2s ease;
}

    .copy-btn:hover { background: rgba(79, 140, 255, 0.12); }

.result-box {
    background: var(--bg);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    padding: 14px;
    font-family: 'Cascadia Code', Consolas, monospace;
    font-size: 0.88rem;
    color: #c9d6ee;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 280px;
    overflow: auto;
    margin: 0;
}

.copy-note {
    color: var(--success);
    font-size: 0.82rem;
    margin-top: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

    .copy-note.show { opacity: 1; }

.key-display {
    font-family: 'Cascadia Code', Consolas, monospace;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.5px;
    color: #dbe7ff;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    word-break: break-all;
}

.status-pill {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

    .status-pill.ok { background: rgba(34, 197, 94, 0.15); color: #4ade80; }
    .status-pill.bad { background: rgba(239, 68, 68, 0.15); color: #f87171; }

.kv-label { font-size: 0.8rem; color: var(--text-dim); font-weight: 600; margin-bottom: 4px; }
.kv-value { font-weight: 600; color: var(--text); font-size: 0.92rem; }

/* ---------- 首页功能卡片 ---------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 20px;
    max-width: 1080px;
    margin: 0 auto;
}

.feature-card {
    background: linear-gradient(180deg, var(--card) 0%, var(--bg-soft) 100%);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 26px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeUp 0.5s ease backwards;
    color: var(--text);
}

    .feature-card:hover {
        transform: translateY(-6px);
        border-color: var(--accent);
        box-shadow: 0 14px 34px rgba(2, 6, 16, 0.55);
        color: var(--text);
        text-decoration: none;
    }

.feature-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.feature-title { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }

.feature-desc { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 18px; flex: 1; }

/* ---------- 拖拽上传区 ---------- */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 46px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background: rgba(255, 255, 255, 0.015);
}

    .drop-zone:hover,
    .drop-zone.active { border-color: var(--accent); background: rgba(79, 140, 255, 0.06); }

.drop-zone-icon { font-size: 2.4rem; color: var(--accent); margin-bottom: 12px; }
.drop-zone-text { font-size: 1.02rem; font-weight: 600; color: var(--text); }
.drop-zone-hint { font-size: 0.85rem; color: var(--text-dim); margin-top: 4px; }

/* ---------- 信息块 ---------- */
.info-block {
    border-left: 3px solid var(--accent);
    background: rgba(79, 140, 255, 0.06);
    border-radius: 10px;
    padding: 16px 18px;
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
}

    .info-block .info-title {
        color: var(--text);
        font-weight: 600;
        margin-bottom: 6px;
        font-size: 0.95rem;
    }

/* ---------- 登录页 ---------- */
.divider-or {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--text-dim);
    font-size: 0.82rem;
    margin: 22px 0;
}

    .divider-or::before,
    .divider-or::after { content: ''; flex: 1; height: 1px; background: var(--border-soft); }

.btn-google {
    width: 100%;
    background: #fff;
    color: #1f2937;
    border-radius: 11px;
    padding: 12px;
    font-weight: 600;
    font-size: 0.92rem;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.2s ease;
}

    .btn-google:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
        color: #111;
    }

.auth-tabs { border-bottom: 1px solid var(--border-soft); }

    .auth-tabs .nav-link {
        padding: 0.9rem 1.4rem;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text-dim) !important;
        border: none;
        background: transparent;
        border-bottom: 3px solid transparent;
        transition: all 0.25s ease;
    }

        .auth-tabs .nav-link:hover { color: var(--text) !important; }
        .auth-tabs .nav-link.active {
            color: #fff !important;
            background: transparent !important;
            border-bottom: 3px solid var(--accent) !important;
        }

.form-label { font-size: 0.85rem; margin-bottom: 0.45rem; color: var(--text-dim); font-weight: 600; }

.input-group-text {
    width: 44px;
    justify-content: center;
    background: var(--bg-soft);
    border-color: var(--border);
    color: var(--text-dim);
}

.input-group .input { border-top-left-radius: 0; border-bottom-left-radius: 0; }

.text-danger { color: #f87171 !important; }
.text-muted { color: var(--text-faint, #6b7a94) !important; }

.password-strength {
    height: 4px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 8px;
}

.password-strength-bar {
    height: 100%;
    width: 0;
    border-radius: 4px;
    transition: width 0.3s ease, background-color 0.3s ease;
}

/* ---------- 下载中心 ---------- */
.dl-list {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border-soft);
    background: var(--bg-soft);
    margin-bottom: 18px;
}

.dl-header {
    display: flex;
    padding: 12px 20px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(255, 255, 255, 0.02);
}

.dl-row {
    display: flex;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-soft);
    align-items: center;
    color: var(--text);
    font-size: 0.92rem;
    transition: background 0.15s ease;
}

    .dl-row:hover { background: rgba(79, 140, 255, 0.05); }
    .dl-row:last-child { border-bottom: none; }

.dl-name { flex: 3; display: flex; align-items: center; gap: 10px; word-break: break-all; }
.dl-type { flex: 1.5; color: var(--text-dim); min-width: 90px; font-size: 0.85rem; }
.dl-action { flex: 2; text-align: right; }

.dl-btn {
    padding: 7px 16px;
    background: linear-gradient(135deg, #16a34a, #15803d);
    color: white;
    border: none;
    border-radius: 9px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(5, 150, 105, 0.3);
}

    .dl-btn:hover { transform: translateY(-1px); box-shadow: 0 5px 14px rgba(5, 150, 105, 0.4); color: white; }

.dl-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: rgba(79, 140, 255, 0.12);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dl-loading, .dl-error { padding: 26px; text-align: center; color: var(--text-dim); }
.dl-error { color: #f87171; }

.dl-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--border-soft);
    background: var(--bg-soft);
    color: var(--text-dim);
    font-size: 0.88rem;
}

#pageSize {
    padding: 6px 10px;
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.dl-search {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    padding: 16px 18px;
    margin-bottom: 20px;
}

.dl-search-input {
    flex: 1;
    min-width: 200px;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 11px;
    font-size: 0.92rem;
    background: var(--bg-soft);
    color: var(--text);
    outline: none;
    transition: all 0.2s ease;
}

    .dl-search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.18); }

.dl-total {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: var(--bg-soft);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    color: var(--text-dim);
    font-size: 0.85rem;
}

    .dl-total i { color: var(--accent); }

/* ---------- WhatsApp 浮动按钮 ---------- */
.wa-float {
    position: fixed;
    width: 56px;
    height: 56px;
    right: 22px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    box-shadow: 0 8px 22px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.25s ease;
}

    .wa-float:hover { transform: scale(1.1); color: #fff; }

.wa-float-1 { bottom: 22px; }
.wa-float-2 { bottom: 90px; background: #128c7e; box-shadow: 0 8px 22px rgba(18, 140, 126, 0.4); }

/* ---------- 页脚 ---------- */
.app-footer {
    border-top: 1px solid var(--border-soft);
    background: rgba(11, 15, 23, 0.7);
    padding: 20px;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* ---------- 动画 ---------- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- XUSM 下载页 ---------- */
.xusm-status-line {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 0.92rem;
    color: var(--text);
}

.xusm-chip {
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--bg-soft);
    border: 1px solid var(--border-soft);
    color: var(--text-dim);
    font-size: 0.82rem;
}

.xusm-ok { color: #4ade80; font-weight: 600; }
.xusm-bad { color: #f87171; font-weight: 600; }
.xusm-dim { color: var(--text-dim); font-size: 0.86rem; }

.xusm-toolbar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.xusm-sinfo { color: var(--text-dim); font-size: 0.86rem; margin: 12px 0 10px; }

.table-scroll { overflow-x: auto; }

.xusm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

    .xusm-table th {
        text-align: left;
        padding: 9px 10px;
        color: var(--text-dim);
        font-size: 0.76rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        border-bottom: 1px solid var(--border);
        white-space: nowrap;
    }

    .xusm-table td {
        padding: 10px 10px;
        border-bottom: 1px solid var(--border-soft);
        vertical-align: middle;
    }

    .xusm-table tbody tr:hover { background: rgba(79, 140, 255, 0.05); }
    .xusm-table tbody tr:last-child td { border-bottom: none; }

.xusm-fname { word-break: break-all; }

.xusm-btn { padding: 6px 16px; font-size: 0.84rem; }

.progress-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
    min-width: 120px;
}

.progress-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.xusm-pct { color: var(--text-dim); font-size: 0.8rem; }

/* ---------- XENTRY-KEY 计算器 ---------- */
.keygen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
    max-width: 1080px;
    margin: 0 auto;
}

.keygen-hint { color: var(--text-dim); font-size: 0.8rem; margin-top: 4px; }
.keygen-check { color: var(--text); font-size: 0.9rem; }
.keygen-dates { padding: 6px 0 2px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.keygen-dash { color: var(--text-dim); }

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .topbar-inner { height: auto; flex-wrap: wrap; padding: 10px 16px; gap: 8px; }
    .nav-links { order: 3; width: 100%; }
    .app-main { padding: 24px 14px 40px; }
    .user-chip { max-width: 140px; }
    .hero-visual { margin-bottom: 16px; }
}