/* ==========================================================================
   sanyang501.top —— 深色高级主题（覆盖式，不修改原模板 CSS）
   加载顺序：bootstrap.min.css -> base/common/index.css -> 本文件（最后，优先级最高）
   设计令牌集中在 :root，改主色只需改 --accent / --accent-2
   ========================================================================== */

:root {
    /* 背景层级 */
    --bg:            #090b10;
    --bg-elev:       #0e121a;
    --surface:       #141926;
    --surface-2:     #1a2030;
    --surface-3:     #222a3d;

    /* 描边 */
    --border:        rgba(255, 255, 255, .08);
    --border-strong: rgba(255, 255, 255, .16);

    /* 文字 */
    --text:          #e9ecf5;
    --text-dim:      #aeb7c9;
    --muted:         #7d879b;

    /* 品牌色（改这里即可换主色） */
    --accent:        #6d8cff;
    --accent-2:      #3ad1ff;
    --accent-soft:   rgba(109, 140, 255, .14);
    --accent-grad:   linear-gradient(135deg, #6d8cff 0%, #3ad1ff 100%);

    /* 语义色 */
    --success:       #34d399;
    --warning:       #fbbf24;
    --danger:        #f87171;
    --info:          #60a5fa;

    /* 形状与阴影 */
    --radius:        16px;
    --radius-sm:     11px;
    --radius-pill:   999px;
    --shadow-sm:     0 2px 10px rgba(0, 0, 0, .35);
    --shadow:        0 12px 34px rgba(0, 0, 0, .5);
    --shadow-glow:   0 10px 34px rgba(109, 140, 255, .28);
}

/* --------------------------------------------------------------------------
   1. 全局基础
   -------------------------------------------------------------------------- */
html { color-scheme: dark; scroll-behavior: smooth; }

html, body {
    max-width: 100%;
    overflow-x: hidden;               /* 兜底：消除移动端横向溢出 */
}

body {
    background:
        radial-gradient(1100px 600px at 12% -12%, rgba(109, 140, 255, .16), transparent 62%),
        radial-gradient(900px 520px at 92% 4%, rgba(58, 209, 255, .11), transparent 60%),
        var(--bg) !important;
    background-attachment: fixed;
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    /* 内容不足一屏时让页脚贴底 */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-container { flex: 1 0 auto; }
.notice, .category, .header { flex: 0 0 auto; }
.footer { flex: 0 0 auto; }

a { color: var(--text-dim); transition: color .18s ease; }
a:hover, a:focus { color: var(--accent-2); text-decoration: none; }

h1, h2, h3, h4, h5, h6 { color: var(--text); font-weight: 700; letter-spacing: .2px; }
label { color: var(--text-dim); }
hr { border-color: var(--border); }
::selection { background: rgba(109, 140, 255, .35); color: #fff; }

/* 更精致的滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-elev); }
::-webkit-scrollbar-thumb {
    background: #2a3244;
    border-radius: var(--radius-pill);
    border: 2px solid var(--bg-elev);
}
::-webkit-scrollbar-thumb:hover { background: #3a465e; }

/* 文本工具类覆盖 */
.text-muted { color: var(--muted) !important; }
small.text-muted { color: var(--muted) !important; }

.container { max-width: 1180px; }

/* 键盘可达性：统一焦点环 */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 6px;
}

/* --------------------------------------------------------------------------
   2. 页头 / 品牌 / 导航（替代原 Bootstrap navbar，彻底解决移动端页头空白）
   -------------------------------------------------------------------------- */
.header.sticky-top {
    padding: 0;
    border-bottom: 1px solid var(--border);
    background: rgba(10, 12, 17, .82);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    backdrop-filter: saturate(160%) blur(14px);
    z-index: 1030;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 68px;
    flex-wrap: wrap;
    padding: 10px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    flex: 0 0 auto;
    min-width: 0;
}
.brand:hover { text-decoration: none; }

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--accent-grad);
    box-shadow: var(--shadow-glow);
    flex: 0 0 auto;
}
.brand-mark svg { width: 19px; height: 19px; display: block; }

.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong {
    font-size: 17px;
    font-weight: 800;
    color: #fff;
    letter-spacing: .5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.brand-text small {
    font-size: 10px;
    letter-spacing: 2.1px;
    color: var(--muted);
    text-transform: uppercase;
}
.brand-logo-img { height: 40px; max-width: 190px; object-fit: contain; }

.nav-main {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 0 0 auto;
}
.nav-main .nav-link {
    color: var(--text-dim);
    font-size: 14px;
    padding: 7px 13px;
    border-radius: var(--radius-pill);
    transition: background .18s ease, color .18s ease;
    white-space: nowrap;
}
.nav-main .nav-link:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.nav-main .nav-link.active {
    color: #fff;
    background: var(--accent-soft);
    box-shadow: inset 0 0 0 1px rgba(109, 140, 255, .38);
}

.nav-search {
    display: flex;
    gap: 8px;
    flex: 1 1 230px;
    max-width: 330px;
    margin-left: auto;
    min-width: 0;
}
.nav-search .form-control {
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius-pill);
    padding: 8px 15px;
    font-size: 13px;
    min-width: 0;
}
.nav-search .form-control::placeholder { color: var(--muted); }
.nav-search .form-control:focus {
    background: rgba(255, 255, 255, .08);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(109, 140, 255, .18);
    color: #fff;
}
.nav-search .btn {
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    padding: 8px 15px;
    flex: 0 0 auto;
}
.nav-search .btn:hover { background: var(--accent-grad); border-color: transparent; color: #fff; }

/* --------------------------------------------------------------------------
   3. 公告
   -------------------------------------------------------------------------- */
.notice .card {
    background: linear-gradient(120deg, rgba(109, 140, 255, .12), rgba(58, 209, 255, .05));
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
}
.notice .jumbotron { background: transparent; }
.notice h4 { font-size: 15px; color: var(--accent-2); margin-bottom: 6px; }
.notice .lead { font-size: 13.5px; color: var(--text-dim); margin-bottom: 0; }

/* --------------------------------------------------------------------------
   4. 首页 hero / 分类
   -------------------------------------------------------------------------- */
.category { padding: 46px 0 26px; position: relative; }

.category h3 {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.3;
    background: linear-gradient(120deg, #ffffff 0%, #9fb4ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.category .lead { color: var(--muted); font-size: 14px; margin-top: 6px; }

.separator {
    width: 54px;
    height: 4px;
    margin: 18px auto 16px;
    border: 0;
    border-radius: var(--radius-pill);
    background: var(--accent-grad);
    position: relative;
}
.separator:after { display: none; }

/* 分类按钮：允许换行（修复移动端横向溢出） */
.category-menus ul.nav-pills,
.category-menus .nav {
    flex-wrap: wrap;
    gap: 9px;
    justify-content: center !important;
}
.category-menus li { display: inline-block; margin: 0; }
.category-menus .btn,
.category-menus .nav-link {
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .04);
    color: var(--text-dim);
    font-size: 13px;
    padding: 7px 17px;
    line-height: 1.5;
    transition: all .18s ease;
}
.category-menus .btn:hover,
.category-menus .nav-link:hover { color: #fff; border-color: var(--border-strong); background: rgba(255, 255, 255, .08); }
.category-menus .btn.active,
.category-menus .nav-link.active {
    background: var(--accent-grad);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--shadow-glow);
}

/* --------------------------------------------------------------------------
   5. 商品卡片
   -------------------------------------------------------------------------- */
.goods { padding-bottom: 30px; }
.goods-list .row { --bs-gutter-x: 1.1rem; --bs-gutter-y: 1.1rem; }
/* 商品数量少于每行列数时居中，避免大片空白 */
.goods-list .row { justify-content: center; }

.goods-list .card {
    height: 100%;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.goods-list .card:hover {
    transform: translateY(-5px);
    border-color: rgba(109, 140, 255, .45);
    box-shadow: var(--shadow), var(--shadow-glow);
}

/* 统一图片比例，卡片高度不再参差；contain 避免裁掉商品图上的文字/角色 */
.goods-list .card-img-top {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    padding: 6px;
    background:
        radial-gradient(120% 110% at 50% 0%, rgba(109, 140, 255, .10), transparent 70%),
        var(--surface-2);
}

.goods-list .card-body {
    display: flex;
    flex-direction: column;
    gap: 9px;
    padding: 13px 14px 15px;
}
.goods-list .card-title {
    font-size: 14.5px;
    font-weight: 700;
    margin: 0;
    color: var(--text);
}
.goods-list .card h6 { margin: 0; }
.goods-list .card h6 small { font-size: 12px; }

/* 价格胶囊 */
.goods-list .card .btn-outline-success {
    align-self: flex-start;
    border: 1px solid rgba(52, 211, 153, .4);
    background: rgba(52, 211, 153, .1);
    color: #6ee7b7;
    border-radius: var(--radius-pill);
    font-size: 12.5px;
    padding: 4px 11px;
    font-weight: 600;
}
.goods-list .card .btn-outline-success:hover { background: rgba(52, 211, 153, .18); }
.goods-list .card .btn-outline-warning {
    align-self: flex-start;
    border: 1px solid rgba(251, 191, 36, .4);
    background: rgba(251, 191, 36, .1);
    color: #fcd34d;
    border-radius: var(--radius-pill);
    font-size: 12px;
    padding: 4px 10px;
}

/* 下单按钮：整行、渐变 */
.goods-list .card .btn-primary.fr {
    float: none !important;
    width: 100%;
    margin-top: auto;
    background: var(--accent-grad);
    border: 0;
    border-radius: var(--radius-sm);
    color: #fff;
    font-weight: 600;
    font-size: 13.5px;
    padding: 9px 12px;
    box-shadow: 0 6px 18px rgba(109, 140, 255, .28);
}
.goods-list .card .btn-primary.fr:hover { filter: brightness(1.08); }

/* 状态角标 */
.goods-list .card .badge,
.badge {
    font-weight: 600;
    letter-spacing: .3px;
    padding: 5px 9px;
    border-radius: 8px;
}
.goods-list .card .badge.bg-success {
    background: rgba(52, 211, 153, .92) !important;
    color: #04231a;
    border-bottom-right-radius: 10px;
    top: 0; left: 0;
}
.goods-list .card .badge.bg-warning {
    background: rgba(251, 191, 36, .94) !important;
    color: #2a1c02;
    border-bottom-right-radius: 10px;
    top: 0; left: 0;
}

/* --------------------------------------------------------------------------
   6. 通用卡片 / 表单 / 按钮
   -------------------------------------------------------------------------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    box-shadow: var(--shadow-sm);
}
.card-header {
    background: rgba(255, 255, 255, .03);
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-weight: 700;
}
.card-title { color: var(--text); }

.form-control, .form-select, textarea.form-control {
    background: rgba(255, 255, 255, .045);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius-sm);
}
.form-control:focus, .form-select:focus, textarea.form-control:focus {
    background: rgba(255, 255, 255, .07);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(109, 140, 255, .18);
}
.form-control::placeholder { color: var(--muted); }
.input-group-text {
    background: rgba(255, 255, 255, .05);
    border-color: var(--border);
    color: var(--text-dim);
}

.btn { border-radius: var(--radius-sm); font-weight: 600; transition: all .18s ease; }
.btn-primary {
    background: var(--accent-grad);
    border: 0;
    color: #fff;
    box-shadow: 0 6px 18px rgba(109, 140, 255, .28);
}
.btn-primary:hover, .btn-primary:focus { filter: brightness(1.08); color: #fff; }
.btn-outline-primary {
    border: 1px solid rgba(109, 140, 255, .5);
    color: #a9bcff;
    background: rgba(109, 140, 255, .08);
}
.btn-outline-primary:hover { background: var(--accent-grad); border-color: transparent; color: #fff; }
.btn-outline-secondary, .btn-outline-dark {
    border: 1px solid var(--border-strong);
    color: var(--text-dim);
    background: rgba(255, 255, 255, .04);
}
.btn-outline-secondary:hover, .btn-outline-dark:hover { background: rgba(255, 255, 255, .1); color: #fff; border-color: var(--border-strong); }
.btn-secondary { background: rgba(255, 255, 255, .1); border: 1px solid var(--border-strong); color: var(--text); }
.btn-secondary:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.btn-dark { background: #222a3d; border-color: var(--border-strong); color: var(--text); }
.btn-dark:hover { background: #2c3550; color: #fff; }
.btn-outline-success { border: 1px solid rgba(52, 211, 153, .45); color: #6ee7b7; }
.btn-outline-success:hover { background: rgba(52, 211, 153, .16); color: #d1fae5; }

/* 数字微调器（bootstrap-input-spinner 生成的按钮也要压暗） */
.input-group button, .input-group .btn {
    background: rgba(255, 255, 255, .06);
    border-color: var(--border);
    color: var(--text);
}
.input-group button:hover { background: rgba(255, 255, 255, .12); color: #fff; }

/* --------------------------------------------------------------------------
   7. 商品详情 / 下单页
   -------------------------------------------------------------------------- */
.good-card .card { overflow: hidden; }
.good-card .card-img-top {
    max-height: 330px;
    width: 100%;
    object-fit: contain;
    background: linear-gradient(180deg, rgba(255, 255, 255, .04), transparent);
    border-radius: var(--radius) var(--radius) 0 0;
}
.good-card .card-title { font-size: 23px; font-weight: 800; }
.good-card h6 { color: var(--text-dim); }

/* 支付方式：卡片式单选 */
.pay-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}
.pay-method {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, .035);
    cursor: pointer;
    transition: all .18s ease;
    margin: 0;
    font-size: 13.5px;
    color: var(--text-dim);
}
.pay-method:hover { border-color: var(--border-strong); background: rgba(255, 255, 255, .07); color: #fff; }
.pay-method .form-check-input {
    margin: 0;
    background-color: rgba(255, 255, 255, .1);
    border-color: var(--border-strong);
    width: 1.05em; height: 1.05em;
}
.pay-method .form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(109, 140, 255, .25);
}
.pay-method:has(.form-check-input:checked) {
    border-color: rgba(109, 140, 255, .65);
    background: var(--accent-soft);
    color: #fff;
}

/* --------------------------------------------------------------------------
   8. 结算 / 订单 / 查询 / 支付页
   -------------------------------------------------------------------------- */
.main-container { padding: 26px 0 46px; }
.order-card .card, .good-card .card { background: var(--surface); }

.card-info textarea, textarea.form-control[rows] {
    background: var(--bg-elev);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.5px;
    color: #cfe3ff;
}

.nav-pills .nav-link {
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    color: var(--text-dim);
    background: rgba(255, 255, 255, .04);
    margin-right: 7px;
    font-size: 13px;
    padding: 7px 15px;
}
.nav-pills .nav-link.active {
    background: var(--accent-grad);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--shadow-glow);
}

/* --------------------------------------------------------------------------
   9. 弹窗 / 提示
   -------------------------------------------------------------------------- */
.modal-content {
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    color: var(--text);
    box-shadow: var(--shadow);
}
.modal-header, .modal-footer { border-color: var(--border); }
.modal-title { color: #fff; }
.modal-backdrop.show { opacity: .68; background: #05070c; }
.btn-close { filter: invert(1) grayscale(1) brightness(2); opacity: .6; }
.btn-close:hover { opacity: 1; }
.modal-dialog { max-width: min(520px, calc(100vw - 1.5rem)); margin: 1rem auto; }

/* --------------------------------------------------------------------------
   10. 页脚
   -------------------------------------------------------------------------- */
.footer {
    margin-top: 30px;
    padding: 26px 0 34px !important;
    border-top: 1px solid var(--border);
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, .025));
    color: var(--muted);
    font-size: 12.5px;
}
.footer .author a { color: var(--text-dim); }
.footer .author a:hover { color: var(--accent-2); }
.footer .custom { margin-top: 7px; color: var(--muted); line-height: 1.7; }
.footer .custom a { color: var(--text-dim); }

/* --------------------------------------------------------------------------
   11. 错误页
   -------------------------------------------------------------------------- */
.err-message h5 { color: var(--danger); font-weight: 600; word-break: break-word; }

/* --------------------------------------------------------------------------
   12. 响应式修正（重点：修复移动端错位/溢出）
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
    .nav-search { max-width: none; flex: 1 1 100%; margin-left: 0; order: 3; }
    .header-inner { gap: 12px; }
}

@media (max-width: 767.98px) {
    .category { padding: 30px 0 18px; }
    .category h3 { font-size: 22px; }
    .category .lead { font-size: 13px; }
    .main-container { padding: 14px 0 30px; }
    .good-card .card-title { font-size: 19px; }
    .brand-text small { display: none; }
    .brand-mark { width: 34px; height: 34px; }
    .brand-text strong { font-size: 16px; }
    .goods-list .card-body { padding: 11px 12px 13px; }
}

@media (max-width: 479.98px) {
    /* 小屏手机：单列卡片，图片比例更舒展 */
    .goods-list .row-cols-2 > .col { flex: 0 0 100%; width: 100%; max-width: 100%; }
    .goods-list .card-img-top { aspect-ratio: 16 / 11; }
    .container { padding-left: 14px; padding-right: 14px; }
    .modal-dialog { max-width: calc(100vw - 1rem); margin: .5rem auto; }
    .category-menus .btn, .category-menus .nav-link { font-size: 12.5px; padding: 6px 13px; }
}