/* ============================================================
   PHP授权系统 - 液态玻璃拟态 UI (深浅双主题)
   主色: 樱花粉 #f4a7c3 / 淡蓝 #7ec8ff
   ============================================================ */
:root {
    --radius: 18px;
    --radius-sm: 12px;
    --blur: 18px;
    --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
/* 浅色主题 */
:root, [data-theme="light"] {
    --bg-1: #eaf4ff;
    --bg-2: #fff1f6;
    --bg-3: #e8f0ff;
    --glass-bg: rgba(255, 255, 255, 0.52);
    --glass-strong: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.65);
    --text: #33415c;
    --text-2: #6b7a99;
    --accent: #7ec8ff;
    --accent-2: #f4a7c3;
    --accent-grad: linear-gradient(135deg, #7ec8ff 0%, #a9d8ff 40%, #f4a7c3 100%);
    --shadow: 0 8px 32px rgba(120, 150, 200, 0.16);
    --shadow-sm: 0 4px 14px rgba(120, 150, 200, 0.12);
    --table-stripe: rgba(126, 200, 255, 0.06);
    --input-bg: rgba(255, 255, 255, 0.6);
    --danger: #ff7d9c;
    --success: #58c9a2;
    --warn: #f5b759;
    --info: #6aa9ff;
}
/* 深色主题 */
[data-theme="dark"] {
    --bg-1: #0d1220;
    --bg-2: #1a1020;
    --bg-3: #101a2e;
    --glass-bg: rgba(30, 38, 62, 0.55);
    --glass-strong: rgba(34, 42, 68, 0.78);
    --glass-border: rgba(140, 160, 210, 0.22);
    --text: #dbe4f5;
    --text-2: #93a3c4;
    --accent: #6fb8ff;
    --accent-2: #f79cbb;
    --accent-grad: linear-gradient(135deg, #4f9fe8 0%, #7fb3f0 40%, #e884a8 100%);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
    --table-stripe: rgba(126, 200, 255, 0.05);
    --input-bg: rgba(20, 26, 44, 0.6);
    --danger: #ff6b8f;
    --success: #3fc69b;
    --warn: #eda63c;
    --info: #5f9dff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font);
    color: var(--text);
    min-height: 100vh;
    background:
        radial-gradient(1200px 600px at 10% -10%, var(--bg-2) 0%, transparent 60%),
        radial-gradient(1000px 500px at 110% 20%, var(--bg-3) 0%, transparent 55%),
        linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 55%, var(--bg-3) 100%);
    background-attachment: fixed;
    line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.85; }

/* ---------- 玻璃容器 ---------- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur)) saturate(170%);
    -webkit-backdrop-filter: blur(var(--blur)) saturate(170%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.glass-strong {
    background: var(--glass-strong);
    backdrop-filter: blur(var(--blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* ---------- 布局 ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.container-narrow { max-width: 560px; margin: 0 auto; padding: 0 16px; }
main { padding: 26px 0 60px; }

/* ---------- 顶部导航 ---------- */
.navbar {
    position: sticky; top: 12px; z-index: 50;
    margin: 12px auto 0; max-width: 1120px; width: calc(100% - 24px);
    display: flex; align-items: center; gap: 14px;
    padding: 10px 18px;
    background: var(--glass-strong);
    backdrop-filter: blur(var(--blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
}
.brand {
    font-weight: 800; font-size: 17px; color: var(--text);
    background: var(--accent-grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}
.nav-links { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.nav-links a {
    padding: 6px 13px; border-radius: 999px; color: var(--text-2);
    font-size: 14px; transition: all .2s;
}
.nav-links a:hover { background: rgba(126, 200, 255, .14); color: var(--text); }
.nav-links a.active {
    background: var(--accent-grad); color: #fff; font-weight: 600;
    box-shadow: var(--shadow-sm);
}
.nav-user { display: flex; align-items: center; gap: 8px; }
.nav-user .btn { padding: 6px 14px; font-size: 13px; }

/* 主题切换按钮 */
.theme-btn {
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid var(--glass-border); cursor: pointer;
    background: var(--glass-bg); color: var(--text);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 17px; transition: all .2s;
}
.theme-btn:hover { transform: rotate(20deg) scale(1.06); }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 22px; border-radius: 999px; border: 1px solid transparent;
    font-size: 14px; font-weight: 600; cursor: pointer; transition: all .2s;
    background: var(--accent-grad); color: #fff; text-decoration: none;
    box-shadow: var(--shadow-sm);
}
.btn:hover { opacity: .9; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-block { width: 100%; }
.btn-ghost {
    background: var(--glass-bg); border-color: var(--glass-border); color: var(--text);
}
.btn-danger { background: linear-gradient(135deg, #ff8fae, #ff6b8f); }
.btn-success { background: linear-gradient(135deg, #5fd6b1, #3fc69b); }
.btn-sm { padding: 5px 13px; font-size: 12.5px; border-radius: 999px; }

/* ---------- 卡片 ---------- */
.card { padding: 22px; margin-bottom: 18px; }
.card h2 { font-size: 19px; margin-bottom: 14px; }
.card h3 { font-size: 16px; margin-bottom: 10px; }
.card + .card { margin-top: 0; }

/* 统计卡 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-card {
    padding: 16px 18px; text-align: center;
}
.stat-card .num { font-size: 26px; font-weight: 800; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-card .label { font-size: 12.5px; color: var(--text-2); margin-top: 2px; }

/* 套餐卡 */
.pkg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.pkg-card { padding: 24px 20px; text-align: center; position: relative; overflow: hidden; }
.pkg-card .pkg-name { font-size: 17px; font-weight: 700; }
.pkg-card .pkg-price { font-size: 32px; font-weight: 800; margin: 10px 0 4px; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.pkg-card .pkg-meta { color: var(--text-2); font-size: 13px; margin-bottom: 14px; }
.pkg-card .pkg-desc { color: var(--text-2); font-size: 13px; min-height: 38px; margin-bottom: 14px; }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-control {
    width: 100%; padding: 11px 14px; font-size: 14px;
    border-radius: var(--radius-sm); border: 1px solid var(--glass-border);
    background: var(--input-bg); color: var(--text); outline: none;
    transition: all .2s;
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(126, 200, 255, .22); }
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { appearance: none; }
.form-row { display: flex; gap: 10px; align-items: center; }
.form-row .grow { flex: 1; }
.form-hint { font-size: 12px; color: var(--text-2); margin-top: 4px; }
.captcha-img { height: 42px; border-radius: 10px; cursor: pointer; border: 1px solid var(--glass-border); }
.inline-code { font-family: "SFMono-Regular", Consolas, monospace; font-size: 12.5px; background: var(--table-stripe); padding: 2px 6px; border-radius: 6px; word-break: break-all; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 620px; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--glass-border); }
.table th { color: var(--text-2); font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.table tr:nth-child(even) td { background: var(--table-stripe); }
.table tr:hover td { background: rgba(126, 200, 255, .09); }

/* ---------- 徽章 ---------- */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-success { background: rgba(88, 201, 162, .16); color: var(--success); }
.badge-danger { background: rgba(255, 125, 156, .16); color: var(--danger); }
.badge-warn { background: rgba(245, 183, 89, .16); color: var(--warn); }
.badge-info { background: rgba(106, 169, 255, .16); color: var(--info); }
.badge-muted { background: rgba(120, 130, 160, .14); color: var(--text-2); }

/* ---------- 提示条 ---------- */
.alert { padding: 11px 16px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: 13.5px; }
.alert-success { background: rgba(88, 201, 162, .14); color: var(--success); border: 1px solid rgba(88, 201, 162, .25); }
.alert-danger { background: rgba(255, 125, 156, .14); color: var(--danger); border: 1px solid rgba(255, 125, 156, .25); }
.alert-warn { background: rgba(245, 183, 89, .14); color: var(--warn); border: 1px solid rgba(245, 183, 89, .25); }
.alert-info { background: rgba(106, 169, 255, .14); color: var(--info); border: 1px solid rgba(106, 169, 255, .25); }

/* ---------- 弹窗 ---------- */
.modal-mask {
    position: fixed; inset: 0; z-index: 100; display: none;
    background: rgba(10, 15, 30, .45); backdrop-filter: blur(4px);
    align-items: center; justify-content: center; padding: 16px;
}
.modal-mask.show { display: flex; }
.modal-box { width: 100%; max-width: 460px; padding: 24px; position: relative; }
.modal-box h3 { margin-bottom: 14px; }
.modal-close {
    position: absolute; top: 12px; right: 14px; border: 0; cursor: pointer;
    background: none; color: var(--text-2); font-size: 20px; line-height: 1;
}

/* ---------- 分页 ---------- */
.pager { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 16px; }
.page-btn {
    padding: 5px 13px; border-radius: 999px; font-size: 13px;
    background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--text);
}
.page-btn.active { background: var(--accent-grad); color: #fff; border-color: transparent; }
.page-info { font-size: 12.5px; color: var(--text-2); margin-left: 6px; }

/* ---------- 授权查询 ---------- */
.query-hero { text-align: center; padding: 46px 24px 40px; margin: 18px 0; }
.query-hero h1 { font-size: 30px; font-weight: 800; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.query-hero p { color: var(--text-2); margin-top: 8px; }
.query-form { max-width: 520px; margin: 22px auto 0; }
.query-result { max-width: 560px; margin: 22px auto 0; text-align: center; padding: 18px; }
.query-result .q-domain { font-weight: 700; font-size: 15px; }

/* ---------- 页脚 ---------- */
.footer { text-align: center; color: var(--text-2); font-size: 12.5px; padding: 24px 0 34px; }

/* ---------- 管理后台布局 ---------- */
.admin-wrap { display: flex; gap: 18px; align-items: flex-start; max-width: 1200px; margin: 0 auto; padding: 18px 16px 60px; }
.admin-side {
    width: 210px; flex-shrink: 0; position: sticky; top: 88px; padding: 14px;
    display: flex; flex-direction: column; gap: 4px;
}
.admin-side a {
    display: block; padding: 9px 14px; border-radius: var(--radius-sm);
    color: var(--text-2); font-size: 14px; transition: all .2s;
}
.admin-side a:hover { background: rgba(126, 200, 255, .13); color: var(--text); }
.admin-side a.active { background: var(--accent-grad); color: #fff; font-weight: 600; }
.admin-main { flex: 1; min-width: 0; }
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.admin-head h1 { font-size: 20px; }

/* ---------- 工具条 ---------- */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .form-control { width: auto; min-width: 140px; }
.filter-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---------- 空状态 ---------- */
.empty { text-align: center; color: var(--text-2); padding: 40px 10px; font-size: 14px; }

/* ---------- 移动端 ---------- */
@media (max-width: 760px) {
    .navbar { border-radius: 16px; flex-wrap: wrap; }
    .nav-links { order: 3; width: 100%; justify-content: center; }
    .admin-wrap { flex-direction: column; }
    .admin-side { width: 100%; position: static; flex-direction: row; flex-wrap: wrap; }
    .admin-side a { padding: 7px 12px; font-size: 13px; }
    .query-hero h1 { font-size: 24px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}