* { box-sizing: border-box; }
html {
    -webkit-text-size-adjust: 100%;
}
body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f1f5f9;
    color: #0f172a;
    line-height: 1.5;
}
.wrap {
    max-width: 960px;
    margin: 0 auto;
    padding: 1rem;
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
    padding-bottom: max(1rem, env(safe-area-inset-bottom));
}
@media (min-width: 640px) {
    .wrap { padding: 1.5rem; }
}
h1, h2 { font-weight: 600; }
h1 { font-size: clamp(1.25rem, 4vw, 1.5rem); margin-top: 0; }
h2 { font-size: 1.15rem; margin-top: 2rem; }
a { color: #2563eb; }
a:hover { color: #1d4ed8; }
.muted { color: #64748b; font-size: 0.9rem; }
.err { color: #dc2626; }
.ok { color: #15803d; }
.small { font-size: 0.85rem; }
code {
    background: #e2e8f0;
    color: #334155;
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
}
.card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}
.card.center { text-align: center; }
label { display: block; margin-bottom: 0.35rem; font-size: 0.9rem; }
input[type="password"], textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #0f172a;
    font-size: 1rem;
}
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
textarea { font-family: ui-monospace, monospace; resize: vertical; }
button {
    margin-top: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid #16a34a;
    background: #16a34a;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
}
button:hover {
    background: #15803d;
    border-color: #15803d;
}
button.secondary {
    background: #fff;
    border-color: #cbd5e1;
    color: #475569;
}
button.secondary:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #334155;
}
.inline-form { margin-top: 1.5rem; }
.tbl-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1rem 0;
}
.tbl {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
@media (max-width: 767px) {
    .tbl { font-size: 0.8rem; }
    .tbl th, .tbl td { padding: 0.4rem 0.45rem; }
}
.tbl th, .tbl td {
    border: 1px solid #e2e8f0;
    padding: 0.5rem 0.6rem;
    text-align: left;
    vertical-align: top;
    word-break: break-all;
}
.tbl th {
    background: #f8fafc;
    color: #334155;
    font-weight: 600;
}
.tbl tbody tr:hover { background: #f8fafc; }
.mono { font-family: ui-monospace, monospace; font-size: 0.8rem; }
.code-big {
    font-size: clamp(1.75rem, 9vw, 2.75rem);
    letter-spacing: 0.12em;
    font-weight: 700;
    margin: 1rem 0;
    font-family: ui-monospace, "SF Mono", Consolas, monospace;
    line-height: 1.3;
}
.code-big-text {
    letter-spacing: normal;
    font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: clamp(1.35rem, 6vw, 2rem);
    font-weight: 600;
}

/* 验证码页：竖屏手机居中、账号长文本换行 */
body.page-verify .wrap {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    max-width: 520px;
}
body.page-verify .card {
    padding: clamp(1.25rem, 5vw, 2rem);
    margin-top: 0;
    margin-bottom: 0;
}
body.page-verify .account-line {
    word-break: break-all;
    overflow-wrap: anywhere;
    font-size: clamp(0.8rem, 3.5vw, 0.95rem);
    margin: 0 0 0.5rem;
}
body.page-verify .verify-countdown {
    font-size: clamp(0.8rem, 3.2vw, 0.9rem);
    margin: 0.25rem 0 0.75rem;
}
body.page-verify .verify-hint-line {
    min-height: 1.25em;
    margin: 0.5rem 0 0;
}
body.page-verify .btn-verify-refresh {
    margin-top: 1rem;
    width: 100%;
    max-width: 280px;
    padding: 0.65rem 1.25rem;
    font-size: 1rem;
}

/* 首页 */
body.page-home .wrap {
    padding-top: clamp(1.5rem, 6vh, 3rem);
}

/* 后台标签页 */
.admin-tabs {
    display: flex;
    gap: 0.25rem;
    margin: 0 0 1.25rem;
    padding: 0.25rem;
    background: #e2e8f0;
    border-radius: 10px;
    max-width: fit-content;
}
.admin-tab {
    display: inline-block;
    padding: 0.5rem 1.15rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #475569;
    text-decoration: none;
    border: 1px solid transparent;
}
.admin-tab:hover {
    color: #0f172a;
    background: rgba(255, 255, 255, 0.6);
}
.admin-tab.is-active {
    color: #0f172a;
    background: #fff;
    border-color: #cbd5e1;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}
.admin-tab-panel h1 {
    margin-top: 0;
}

/* 后台顶栏：退出登录右上 */
.admin-header-bar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin: 0 0 0.75rem;
    padding: 0;
}
.admin-logout-form {
    margin: 0;
}
.admin-logout-form .btn-logout {
    margin-top: 0;
    padding: 0.4rem 0.85rem;
    font-size: 0.9rem;
}

/* 后台数据表工具栏（横向：标签与控件同一行，整排字段并排） */
.admin-toolbar {
    margin: 1rem 0;
}
.admin-toolbar-row {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem 1.25rem;
}
.admin-inline {
    display: inline-flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.4rem 0.55rem;
    min-width: 0;
    flex: 0 0 auto;
}
.admin-toolbar-row > .admin-inline:first-of-type {
    flex: 1 1 200px;
    min-width: min(100%, 220px);
    max-width: 420px;
}
.admin-label-text {
    font-size: 0.8rem;
    color: #64748b;
    white-space: nowrap;
    flex-shrink: 0;
}
.admin-toolbar input[type="search"],
.admin-toolbar select {
    min-width: 0;
    padding: 0.45rem 0.6rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 0.95rem;
}
.admin-toolbar input[type="search"] {
    width: 100%;
    min-width: 0;
}
.admin-toolbar select {
    width: auto;
    min-width: 6.5rem;
}
.admin-toolbar button[type="submit"] {
    margin-top: 0;
    align-self: center;
    flex-shrink: 0;
}
@media (max-width: 640px) {
    .admin-toolbar-row {
        flex-direction: column;
        align-items: stretch;
    }
    .admin-inline {
        width: 100%;
        max-width: none;
    }
    .admin-toolbar-row > .admin-inline:first-of-type {
        max-width: none;
    }
    .admin-toolbar select {
        flex: 1;
        min-width: 0;
    }
}
.admin-batch-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    margin: 0.75rem 0;
}
.btn-export {
    margin-top: 0;
    background: #2563eb;
    border-color: #2563eb;
}
.btn-export:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
}
.btn-delete-batch {
    margin-top: 0;
    background: #dc2626;
    border-color: #dc2626;
}
.btn-delete-batch:hover {
    background: #b91c1c;
    border-color: #b91c1c;
}
.admin-dedupe-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    margin: 1rem 0;
}
.btn-dedupe {
    margin-top: 0;
    background: #ea580c;
    border-color: #ea580c;
}
.btn-dedupe:hover {
    background: #c2410c;
    border-color: #c2410c;
}
.inline-delete-form {
    display: inline;
    margin: 0;
}
.inline-delete-form .btn-row-delete {
    margin-top: 0;
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
    background: #fff;
    color: #dc2626;
    border: 1px solid #fecaca;
}
.inline-delete-form .btn-row-delete:hover {
    background: #fef2f2;
    border-color: #f87171;
}
.admin-total-hint {
    font-size: 0.9rem;
}
.admin-data-tbl .th-check {
    width: 2.5rem;
    text-align: center;
}
.admin-data-tbl .th-check input {
    margin: 0;
    vertical-align: middle;
}
.admin-data-tbl .cell-api,
.admin-data-tbl .cell-link {
    max-width: 14rem;
    font-size: 0.75rem;
}
@media (min-width: 900px) {
    .admin-data-tbl .cell-api,
    .admin-data-tbl .cell-link {
        max-width: 18rem;
    }
}
.admin-pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin: 1rem 0 0;
    font-size: 0.95rem;
}
.admin-pagination a {
    text-decoration: none;
    padding: 0.35rem 0.65rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
}
.admin-pagination a:hover {
    background: #f8fafc;
}