/* ============================================================
   证书查询系统 - 蓝色主题样式（前台 + 管理后台）
   ============================================================ */

:root {
    --blue:        #2f6bc6;   /* 主蓝 */
    --blue-dark:   #24559e;
    --blue-deep:   #1b3d7a;
    --blue-soft:   #f0f5fd;   /* 浅蓝背景 */
    --blue-border: #d6e5f8;
    --text:       #333333;
    --muted:      #8c8c8c;
    --line:       #ebebeb;
    --bg:         #f6f6f7;
    --card:       #ffffff;
    --ok:         #2e7d32;
    --radius:     12px;
    --shadow:     0 2px 14px rgba(25, 70, 150, .07);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }

/* ---------------- 前台 Banner ---------------- */
.hero {
    background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue) 55%, #4a7fd8 100%);
    color: #fff;
    padding: 48px 20px 80px;   /* 底部内边距加大，增加与查询区的间距 */
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before, .hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, .06);
    clip-path: inset(-200px -200px -200px -200px);
}
.hero::before { width: 340px; height: 340px; top: -170px; left: -110px; }
.hero::after  { width: 460px; height: 460px; bottom: -280px; right: -140px; }

.hero-inner { position: relative; z-index: 1; }
.hero-seal {
    width: 56px; height: 56px;
    margin: 0 auto 16px;
    border: 2px solid rgba(255, 255, 255, .85);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(4px);
}
.hero-seal svg { width: 30px; height: 30px; }
.hero h1 {
    font-size: 34px;
    letter-spacing: 6px;
    font-weight: 700;
    text-shadow: 0 2px 12px rgba(0,0,0,.15);
}
.hero p {
    margin-top: 12px;
    font-size: 14.5px;
    opacity: .92;
    letter-spacing: 1px;
    line-height: 1.7;
}

/* ---------------- 布局 ---------------- */
.container {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px;
}
.front .container { margin-top: -20px; flex: 1; }   /* 卡片上浮量减小，与标题区间距更大 */

.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,.04);
}

/* ---------------- 查询面板 ---------------- */
.query-card { padding: 28px 30px 32px; }

.tabs {
    display: flex;
    background: var(--blue-soft);
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 26px;
    border: 1px solid var(--blue-border);
}
.tab {
    flex: 1;
    border: 0;
    background: transparent;
    color: var(--blue-dark);
    font-size: 14.5px;
    padding: 11px 0;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all .2s ease;
    letter-spacing: .5px;
}
.tab:hover:not(.active) {
    background: rgba(47, 107, 198, .08);
}
.tab.active {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 2px 10px rgba(47, 107, 198, .3);
}

.pane { display: none; }
.pane.show { display: block; }

/* 查询执行后隐藏搜索面板 */
.hidden { display: none !important; }

/* 返回重新查询入口 */
.re-query-row {
    margin-bottom: 18px;
    text-align: right;
}
.re-query-row .btn {
    background: var(--blue-soft);
    color: var(--blue);
    border: 1px solid var(--blue-border);
    text-decoration: none;
}
.re-query-row .btn:hover {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
}

/* ---------------- 验证码 ---------------- */
.captcha-row {
    display: flex;
    gap: 10px;
    align-items: stretch;
}
.captcha-row input { flex: 1; min-width: 0; }
.captcha-img {
    width: 120px;
    border: 1.5px solid var(--blue-border);
    border-radius: 9px;
    cursor: pointer;
    background: var(--blue-soft);
    object-fit: cover;
}
.captcha-img:hover { border-color: var(--blue); }

.field-row { margin-bottom: 18px; }
.field-row label {
    display: block;
    font-size: 13.5px;
    color: #555;
    margin-bottom: 7px;
    font-weight: 600;
}
.field-row label i { color: var(--blue); font-style: normal; margin-left: 2px; }

input[type="text"], input[type="password"], input[type="date"], input[type="file"] {
    width: 100%;
    border: 1.5px solid #e3e3e3;
    border-radius: 9px;
    padding: 12px 15px;
    font-size: 15px;
    color: var(--text);
    outline: none;
    background: #fafafa;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
input[type="text"]:focus, input[type="password"]:focus, input[type="date"]:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(47, 107, 198, .1);
    background: #fff;
}
input::placeholder { color: #bbb; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.two-col > div { margin-bottom: 0; }
.field-row.two-col { margin-bottom: 18px; }

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-block;
    border: 0;
    border-radius: 9px;
    padding: 10px 20px;
    font-size: 14.5px;
    cursor: pointer;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    transition: all .16s ease;
}
.btn-lg { padding: 13px 20px; font-size: 16px; }
.btn-block { display: block; width: 100%; }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-xs { padding: 4px 12px; font-size: 12.5px; }

.btn-primary {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 3px 10px rgba(47, 107, 198, .3);
}
.btn-primary:hover { background: var(--blue-dark); color: #fff; }

.btn-outline {
    background: #fff;
    color: var(--blue);
    border: 1.5px solid var(--blue);
}
.btn-outline:hover { background: var(--blue-soft); color: var(--blue-dark); }

.btn-ghost {
    background: rgba(255, 255, 255, .16);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .55);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .28); color: #fff; }

.btn-danger {
    background: var(--blue-soft);
    color: var(--blue);
    border: 1px solid var(--blue-border);
}
.btn-danger:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

.btn-plain { background: #f2f2f2; color: #666; }
.btn-plain:hover { background: #e6e6e6; color: #333; }

/* ---------------- 查询结果 ---------------- */
.result-area { margin-top: 22px; padding-bottom: 48px; }

.result-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin: 0 4px 16px;
}
.result-head h2 {
    font-size: 18px;
    border-left: 4px solid var(--blue);
    padding-left: 10px;
    letter-spacing: 1px;
}
.result-count { font-size: 13px; color: var(--muted); }
.result-count b { color: var(--blue); font-size: 16px; }

.cert-card { padding: 22px 24px; margin-bottom: 14px; border: 1px solid #e6edf6; }

.cert-top {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--blue-border);
    margin-bottom: 16px;
}
.cert-index {
    min-width: 26px; height: 26px;
    background: var(--blue);
    color: #fff;
    border-radius: 7px;
    font-size: 13px;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700;
}
.cert-name {
    font-size: 17px;
    color: var(--blue-deep);
    font-weight: 700;
    flex: 1;
}
.cert-tag {
    font-size: 12px;
    color: var(--ok);
    background: #eef7ee;
    border: 1px solid #d5ecd5;
    padding: 3px 12px;
    border-radius: 999px;
    white-space: nowrap;
    font-weight: 500;
}

.cert-info { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
.cert-info > div {
    display: flex;
    font-size: 14px;
    min-width: 0;
}
.cert-info dt {
    color: var(--muted);
    white-space: nowrap;
    margin-right: 12px;
    width: 76px;
}
.cert-info dd { font-weight: 600; word-break: break-all; }

/* ---------------- 提示与空结果 ---------------- */
.notice {
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.notice svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; }
.notice-error {
    background: var(--blue-soft);
    border: 1px solid var(--blue-border);
    color: var(--blue-dark);
}
.notice-ok {
    background: #eef7ee;
    border: 1px solid #cde8cd;
    color: var(--ok);
}

.empty-box {
    text-align: center;
    padding: 50px 20px 54px;
    color: var(--muted);
}
.empty-box svg { width: 52px; height: 52px; color: #b0c4db; }
.empty-box p {
    margin-top: 16px;
    font-size: 17px;
    color: var(--blue-dark);
    font-weight: 600;
    letter-spacing: 1px;
}
.empty-box small { display: block; margin-top: 8px; font-size: 13px; color: #aaa; }

/* ---------------- 页脚 ---------------- */
.footer {
    text-align: center;
    color: #b3b3b3;
    font-size: 12.5px;
    padding: 20px 16px 28px;
    border-top: 1px solid var(--line);
    margin-top: 10px;
}

/* ============================================================
   管理后台
   ============================================================ */
.admin { background: var(--bg); }

.topbar {
    background: linear-gradient(90deg, var(--blue-deep), var(--blue));
    color: #fff;
    padding: 0 26px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 12px rgba(27, 63, 126, .3);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar .brand { font-size: 17px; font-weight: 700; letter-spacing: 2px; }
.topbar nav { display: flex; align-items: center; gap: 18px; }
.topbar nav > a { color: rgba(255, 255, 255, .9); font-size: 14px; transition: color .15s; }
.topbar nav > a:hover { color: #fff; }
.topbar .logout { opacity: .8; }

.admin-main { max-width: 1060px; margin: 0 auto; flex: 1; padding: 24px 16px 50px; width: 100%; }

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.search-form { display: flex; align-items: center; gap: 10px; }
.search-form input { width: 300px; }
.link-muted { color: var(--muted); font-size: 13px; }
.toolbar-right { display: flex; align-items: center; gap: 10px; }
.stat { font-size: 13.5px; color: var(--muted); margin-right: 6px; }
.stat b { color: var(--blue); font-size: 16px; }

/* ---------------- 表格 ---------------- */
.table-card { overflow-x: auto; border: 1px solid #e6edf6; }
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    min-width: 760px;
}
.table th {
    background: var(--blue-soft);
    color: var(--blue-deep);
    text-align: left;
    font-weight: 700;
    padding: 13px 16px;
    border-bottom: 2px solid var(--blue-border);
    white-space: nowrap;
    font-size: 13.5px;
}
.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}
.table tbody tr:nth-child(even) { background: #fcfcfc; }
.table tbody tr:hover { background: var(--blue-soft); }
.td-name { font-weight: 600; max-width: 260px; }
.th-op, .td-op { white-space: nowrap; text-align: center; }
.td-op { display: flex; gap: 8px; align-items: center; justify-content: center; }
.td-op form { display: inline; }
.empty-cell { text-align: center; color: var(--muted); padding: 48px 0 !important; font-size: 14px; }

/* ---------------- 分页 ---------------- */
.pager {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    flex-wrap: wrap;
}
.pager a, .pager .cur, .pager .dots {
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 13.5px;
    background: #fff;
    border: 1px solid var(--line);
    color: #555;
}
.pager a:hover { border-color: var(--blue); color: var(--blue); }
.pager .cur { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 700; }
.pager .dots { border: 0; background: transparent; }

/* ---------------- 表单页 ---------------- */
.form-main { max-width: 640px; }
.form-card { padding: 30px 32px; }
.form-title {
    font-size: 19px;
    border-left: 4px solid var(--blue);
    padding-left: 12px;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.form-actions { display: flex; gap: 12px; margin-top: 26px; }

.radio-line { display: flex; flex-direction: column; gap: 9px; }
.radio-line .radio { display: flex; align-items: center; gap: 7px; font-weight: 400; color: #444; cursor: pointer; }
.radio-line .radio.danger { color: var(--blue-dark); }
.radio-line input { width: auto; }

.import-tips {
    background: var(--blue-soft);
    border: 1px solid var(--blue-border);
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 13.5px;
    color: #4a5a70;
    margin-bottom: 22px;
}
.import-tips p { margin-bottom: 6px; }
.import-tips p:last-child { margin: 12px 0 2px; }
.import-tips b { color: var(--blue-dark); }

.result-card { padding: 30px 32px; }
.import-stat {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}
.stat-box {
    border-radius: 10px;
    padding: 16px 10px;
    text-align: center;
    border: 1px solid var(--line);
    background: #fafafa;
}
.stat-box b { display: block; font-size: 26px; line-height: 1.2; }
.stat-box span { font-size: 12.5px; color: var(--muted); }
.stat-box.ok b { color: var(--ok); }
.stat-box.dup b { color: #d48806; }
.stat-box.bad b { color: var(--blue); }
.stat-box.mode b { color: var(--blue-deep); font-size: 20px; padding: 4px 0; }

.import-errors {
    background: var(--blue-soft);
    border: 1px solid var(--blue-border);
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--blue-dark);
    margin-bottom: 20px;
    max-height: 220px;
    overflow-y: auto;
}
.import-errors p { margin-top: 5px; }
.import-errors b { color: var(--blue-deep); }

/* ---------------- 登录页 ---------------- */
.login-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 16px;
    background: linear-gradient(160deg, var(--blue-soft) 0%, var(--bg) 50%);
}
.login-card {
    width: 100%;
    max-width: 380px;
    padding: 40px 34px 32px;
    text-align: center;
    border: 1px solid #e6edf6;
}
.login-card h2 {
    color: var(--blue-deep);
    letter-spacing: 4px;
    font-size: 22px;
}
.login-tip { color: var(--muted); font-size: 13px; margin: 10px 0 24px; }
.login-card .field-row { text-align: left; }
.login-card .btn { margin-top: 8px; }
.login-back { display: inline-block; margin-top: 20px; font-size: 13px; color: var(--muted); }
.login-back:hover { color: var(--blue); }

/* ---------------- 安装向导 ---------------- */
.install-main { max-width: 660px; }
.inst-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 26px 0 22px;
}
.inst-steps .step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #999;
    font-weight: 600;
}
.inst-steps .step i {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: #e5e5e5;
    color: #888;
    font-style: normal;
    font-size: 13px;
    display: inline-flex; align-items: center; justify-content: center;
}
.inst-steps .step.cur { color: var(--blue-dark); }
.inst-steps .step.cur i { background: var(--blue); color: #fff; }
.inst-steps .step.done { color: var(--ok); }
.inst-steps .step.done i { background: var(--ok); color: #fff; }
.inst-steps .line { width: 56px; height: 2px; background: #e5e5e5; margin: 0 12px; }

.check-list { list-style: none; }
.check-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 6px;
    border-bottom: 1px dashed var(--line);
    font-size: 14.5px;
}
.check-list li:last-child { border-bottom: 0; }
.check-list svg { width: 20px; height: 20px; flex-shrink: 0; }
.check-list li.ok { color: #444; }
.check-list li.ok svg { color: var(--ok); }
.check-list li.bad { color: var(--blue-dark); font-weight: 600; }
.check-list li.bad svg { color: var(--blue); }

.install-note {
    margin-top: 20px;
    font-size: 12.5px;
    color: var(--muted);
    background: #f9f9f9;
    border-radius: 8px;
    padding: 10px 14px;
}
.install-step-hint { color: rgba(255,255,255,.85); font-size: 13.5px; }

.success-card { text-align: center; padding: 44px 36px; }
.success-icon {
    width: 64px; height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: #eef7ee;
    border: 2px solid #cde8cd;
    display: flex; align-items: center; justify-content: center;
    color: var(--ok);
}
.success-icon svg { width: 32px; height: 32px; }
.success-card h2 { color: var(--blue-deep); letter-spacing: 2px; }
.success-sub { color: #777; font-size: 14px; margin: 10px 0 20px; }
.success-tip {
    text-align: left;
    background: var(--blue-soft);
    border: 1px solid var(--blue-border);
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 13px;
    color: #4a5a70;
    margin-bottom: 24px;
}
.success-tip p { margin-bottom: 5px; }
.form-actions.center { justify-content: center; }

/* ---------------- 备份页 ---------------- */
.backup-main { max-width: 860px; }
.backup-main .form-card { margin-bottom: 18px; padding: 26px 28px; }
.backup-desc { font-size: 13.5px; color: #777; margin-bottom: 16px; }
.backup-danger {
    font-size: 13.5px;
    color: #4a5a70;
    background: var(--blue-soft);
    border: 1px solid var(--blue-border);
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 16px;
}
.backup-danger b { color: var(--blue-dark); }
.table-head-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 22px 0;
}
.table-head-line .form-title { margin-bottom: 0; font-size: 17px; }
.table-card .table-head-line + .table { margin-top: 14px; }
.mono { font-family: Consolas, "Courier New", monospace; font-size: 13px; }

/* ---------------- 管理员管理 ---------------- */
.topbar .who {
    font-size: 12.5px;
    opacity: .85;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 999px;
    padding: 3px 12px;
    white-space: nowrap;
}
.text-muted { color: var(--muted); }
.admin-tip { font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.perm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.perm-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
    color: #444;
    font-size: 14px;
    cursor: pointer;
    background: #fafafa;
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 11px 14px;
    transition: border-color .15s, background .15s;
}
.perm-item:hover { border-color: var(--blue-border); background: var(--blue-soft); }
.perm-item input { width: auto; }
.perm-tag {
    display: inline-block;
    font-size: 11.5px;
    color: var(--blue);
    background: var(--blue-soft);
    border: 1px solid var(--blue-border);
    border-radius: 999px;
    padding: 1px 9px;
    margin-left: 6px;
    vertical-align: 1px;
}
.super-row { background: var(--blue-soft) !important; }
.super-row td { color: var(--blue-dark); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 640px) {
    .hero { padding: 44px 16px 96px; }   /* 移动端同步加大底部间距 */
    .hero h1 { font-size: 26px; letter-spacing: 4px; }
    .query-card { padding: 20px 18px 24px; }
    .cert-info { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; gap: 0; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .search-form input { width: 100%; flex: 1; }
    .toolbar-right { justify-content: flex-end; }
    .topbar { padding: 0 14px; }
    .topbar nav { gap: 12px; }
    .import-stat { grid-template-columns: repeat(2, 1fr); }
    .form-card, .result-card { padding: 22px 18px; }
    .perm-grid { grid-template-columns: 1fr; }
}