/* ==========================================================================
 * 作品储存网站 · 公共样式（登录页、管理后台共用）
 * 设计基调：明亮 / 通透 / 高质感
 * ========================================================================== */

:root {
  --c-bg: #f4f6fb;
  --c-bg-2: #eef1f8;
  --c-surface: #ffffff;
  --c-surface-2: #fafbfe;
  --c-border: #e2e7f0;
  --c-border-strong: #cdd5e4;

  /* 文字层级：三档在全部底色（#f4f6fb / #ffffff / #fafbfe / #eef2ff）上都 ≥4.5:1 */
  --c-text: #16203a;   /* 主文字   最低对比度 ≈ 14.4:1 */
  --c-text-2: #47506b;  /* 次要文字 最低对比度 ≈ 7.2:1  */
  --c-text-3: #5f6779;  /* 弱化文字 最低对比度 ≈ 5.1:1  */

  --c-primary: #2f52e0;      /* 白底文字对比度 ≈ 5.9:1，可直接做文字色 */
  --c-primary-600: #2542b8;
  --c-primary-050: #eef2ff;
  --c-accent: #c42543;
  --c-ok: #0d7a3d;
  --c-warn: #9a4708;
  --c-danger: #c2262b;   /* 既是危险色按钮底，也要能在浅色底上当文字 */

  /* 渐变底统一用深一档的主色：渐变上的白字才够 4.5:1（#4a6cf7 只有 4.39） */
  --grad-primary: linear-gradient(135deg, #4055e8 0%, #3a4fdc 100%);
  --grad-danger: linear-gradient(135deg, #b8202a 0%, #c2262b 100%);
  --grad-header: linear-gradient(100deg, #1b2547 0%, #2b3a72 48%, #3f3589 100%);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 22px;

  --sh-1: 0 1px 2px rgba(24, 39, 75, .05), 0 2px 8px rgba(24, 39, 75, .04);
  --sh-2: 0 4px 16px rgba(24, 39, 75, .07), 0 1px 3px rgba(24, 39, 75, .04);
  --sh-3: 0 18px 48px rgba(24, 39, 75, .14);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0; padding: 0; height: 100%;
  overflow-x: hidden;
}
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #ccd3e2; border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

/* ============ 通用 ============ */
a { color: inherit; text-decoration: none; color: var(--c-primary); }
button { font-family: inherit; cursor: pointer; }
/* ============ 登录页 ============ */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #f4f6fb 0%, #e9edf6 100%);
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 30px 28px 26px;
  box-shadow: var(--sh-3);
}
.login-brand { text-align: center; margin-bottom: 20px; }
.login-logo {
  width: 56px; height: 56px; border-radius: 14px;
  margin: 0 auto 10px;
  background: var(--grad-primary);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 22px;
  box-shadow: 0 8px 24px rgba(59,98,246,.35);
}
.login-brand h1 { font-size: 18px; font-weight: 700; margin: 0; }
.login-brand p { color: var(--c-text-3); font-size: 12px; margin: 4px 0 0; letter-spacing: .3px; }

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12px; font-weight: 600;
  color: var(--c-text-2);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%; height: 40px; padding: 0 12px;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  color: var(--c-text);
  font-size: 13px;
  outline: none; transition: .18s;
}
.field textarea { padding: 8px 12px; height: auto; min-height: 64px; resize: vertical; }
.field-hint {
  margin-top: 5px;
  font-size: 11.5px; line-height: 1.6;
  color: var(--c-text-3);
}
.field-hint.warn { color: #8a4207; font-weight: 600; }
.field-hint.ok { color: #0a6633; font-weight: 600; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--c-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(47,82,224,.13);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 40px; padding: 0 18px;
  background: var(--grad-primary);
  color: #fff;
  border: none; border-radius: var(--r-sm);
  font-size: 13.5px; font-weight: 700;
  box-shadow: 0 4px 12px rgba(47,82,224,.28);
  transition: .18s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(47,82,224,.4); }
.btn:active { transform: translateY(0); }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none !important; box-shadow: none !important; }
.btn.block { width: 100%; }
.btn.lg { height: 46px; font-size: 14.5px; }
.btn.sm { height: 30px; padding: 0 12px; font-size: 12.5px; }
.btn.ghost {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  box-shadow: var(--sh-1);
}
.btn.ghost:hover { background: #fff; border-color: var(--c-border-strong); box-shadow: var(--sh-2); }
.btn.sec {
  background: var(--c-primary-050);
  color: var(--c-primary-600);
  border: 1px solid rgba(47,82,224,.20);
  box-shadow: none;
}
.btn.sec:hover { background: #e3e9ff; box-shadow: var(--sh-1); }
.btn.sec:hover:disabled { background: var(--c-primary-050); box-shadow: none; }
.btn.danger {
  background: var(--grad-danger);
  color: #fff;
}
.btn.danger:hover { box-shadow: 0 6px 18px rgba(184,32,42,.38); }
.btn.ok {
  background: linear-gradient(135deg, #0a6c35, #0d7a3d);
  color: #fff;
}

.login-err {
  margin-top: 10px; font-size: 12.5px; color: var(--c-danger);
  min-height: 18px;
}
.login-foot { text-align: center; margin-top: 18px; font-size: 12px; color: var(--c-text-3); }

/* ============ 后台布局 ============ */
.admin-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: 100%;
  height: 100vh; height: 100dvh;
  overflow: hidden;
}
/* 遮罩层永远是 fixed 定位的浮层，绝不能参与 grid 布局（否则会挤占 240px 列） */
.scrim {
  position: fixed; inset: 0;
  background: rgba(16, 24, 48, .45);
  z-index: 40;
  opacity: 0; visibility: hidden;
  pointer-events: none;
  transition: .22s;
}
.scrim.show { opacity: 1; visibility: visible; pointer-events: auto; }
/* 显式锚定两栏，防止任何 stray 元素破坏布局 */
.sidebar { grid-column: 1; grid-row: 1; }
.admin-main { grid-column: 2; grid-row: 1; }

@media (max-width: 880px) {
  .admin-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 260px; transform: translateX(-100%); transition: .22s; z-index: 50; box-shadow: 0 0 28px rgba(0,0,0,.25); }
  .sidebar.open { transform: translateX(0); }
}

.sidebar {
  background: var(--c-surface);
  border-right: 1px solid var(--c-border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.brand {
  padding: 16px 18px;
  border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center; gap: 10px;
}
.brand .logo {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--grad-primary);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 16px;
  box-shadow: 0 6px 18px rgba(59,98,246,.32);
}
.brand .txt strong { display: block; font-size: 14px; }
.brand .txt span { font-size: 11px; color: var(--c-text-3); }

#sideNav { flex: 1; padding: 12px 8px; overflow: auto; }
#sideNav a {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px; border-radius: var(--r-sm);
  color: var(--c-text-2); font-weight: 600; font-size: 13px;
  margin-bottom: 2px;
}
#sideNav a .ico { font-size: 14px; opacity: .8; }
#sideNav a:hover { background: var(--c-surface-2); color: var(--c-text); }
#sideNav a.on {
  background: var(--c-primary-050);
  color: var(--c-primary-600);
  box-shadow: inset 2px 0 0 var(--c-primary);
}
#sideNav .badge {
  margin-left: auto; min-width: 22px; padding: 1px 7px;
  background: var(--c-primary); color: #fff;
  border-radius: 999px; font-size: 11px; text-align: center;
}

.side-foot {
  padding: 14px;
  border-top: 1px solid var(--c-border);
  font-size: 12px; color: var(--c-text-3);
  display: flex; flex-direction: column; gap: 8px;
}

.admin-main { display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
.admin-top {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  background: var(--grad-header);
  color: #fff;
  box-shadow: 0 4px 18px rgba(24,39,75,.12);
}
.admin-top h2 { font-size: 16px; font-weight: 700; margin: 0; }
.admin-top .sub { font-size: 12px; opacity: .75; }
.admin-top .spacer { flex: 1; }
.admin-top .home-link {
  padding: 6px 12px; border-radius: 8px; background: rgba(255,255,255,.10);
  font-size: 12px; color: #fff; border: 1px solid rgba(255,255,255,.20);
}
.admin-top .home-link:hover { background: rgba(255,255,255,.18); }
.admin-top .adm { display: flex; align-items: center; gap: 8px; font-size: 12.5px; }
.admin-top .adm .avatar {
  width: 28px; height: 28px; border-radius: 8px; background: rgba(255,255,255,.20);
  display: grid; place-items: center; font-weight: 700;
}
.burger {
  display: none; width: 36px; height: 36px;
  background: rgba(255,255,255,.10); color: #fff;
  border: none; border-radius: 8px; font-size: 18px;
}
@media (max-width: 880px) { .burger { display: inline-flex; align-items: center; justify-content: center; } }

.admin-content { flex: 1; overflow: auto; padding: 18px; }

/* ============ 面板 ============ */
.stat-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 16px;
}
.stat {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 16px 18px;
  box-shadow: var(--sh-1);
}
.stat .label { font-size: 12px; color: var(--c-text-3); }
.stat .value { font-size: 24px; font-weight: 800; margin: 6px 0 4px; }
.stat .foot { font-size: 11.5px; color: var(--c-text-3); }
.stat.blue   .value { color: #2542b8; }
.stat.green  .value { color: #0a6633; }
.stat.amber  .value { color: #8a4207; }
.stat.red    .value { color: #a8262a; }
.stat.purple .value { color: #6330ad; }
.stat.cyan   .value { color: #076d84; }

.panel {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  margin-bottom: 14px;
  overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-border);
}
.panel-head h3 { font-size: 14px; font-weight: 700; margin: 0; }
.panel-head .spacer { flex: 1; }
.panel-head .hint { font-size: 11.5px; color: var(--c-text-3); }
.panel-body { padding: 14px 18px; }
.panel-body.tight { padding: 0; }

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }

.toolbar {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--c-border);
  align-items: center;
}
.toolbar .grow { flex: 1; }
.toolbar .search {
  position: relative;
  display: flex; align-items: center;
}
.toolbar .search .s-ico {
  position: absolute; left: 10px; color: var(--c-text-3); font-size: 13px;
}
.toolbar .search input {
  padding-left: 32px; height: 32px;
}
.toolbar select {
  height: 32px; padding: 0 10px;
  border: 1px solid var(--c-border); border-radius: 6px;
  background: var(--c-surface-2); font-size: 12.5px;
}

.bulkbar {
  display: none; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: var(--c-primary-050);
  border-bottom: 1px solid var(--c-border);
  font-size: 12.5px; color: var(--c-primary-600);
}
.bulkbar.show { display: flex; }
.bulkbar .grow { flex: 1; }
.bulkbar .ico { font-size: 13px; }

/* ============ 表格 ============ */
.table-wrap { overflow: auto; }
.data {
  width: 100%; border-collapse: collapse;
  font-size: 12.5px;
}
.data th, .data td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--c-border);
  text-align: left; vertical-align: top;
}
.data thead th {
  background: var(--c-surface-2);
  color: var(--c-text-2); font-weight: 600;
  position: sticky; top: 0; z-index: 2;
  white-space: nowrap;
}
.data th.sortable { cursor: pointer; user-select: none; }
.data th.sortable:hover { background: #eef1f8; }
.data th.sortable .arrow { color: var(--c-text-3); font-size: 11px; }
.data tbody tr:hover { background: var(--c-surface-2); }
.data .nowrap { white-space: nowrap; }
.data .muted { color: var(--c-text-3); text-align: center; padding: 32px 0 !important; }
.data input[type="text"], .data input[type="number"] {
  height: 30px; padding: 0 8px; font-size: 12.5px;
  border: 1px solid var(--c-border); border-radius: 6px; background: var(--c-surface-2);
}

.pager {
  display: flex; gap: 4px; align-items: center;
  padding: 10px 14px;
  border-top: 1px solid var(--c-border);
  font-size: 12px; color: var(--c-text-2);
}
.pager button {
  height: 28px; min-width: 30px;
  padding: 0 8px;
  border: 1px solid var(--c-border); border-radius: 6px;
  background: var(--c-surface-2); color: var(--c-text);
}
.pager button.on { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.pager button[disabled] { opacity: .5; cursor: not-allowed; }

.empty {
  padding: 32px 16px; text-align: center;
  color: var(--c-text-3); font-size: 13px;
  background: var(--c-surface-2);
  border: 1px dashed var(--c-border); border-radius: var(--r-md);
}

/* ============ 状态标签 ============ */
.st {
  display: inline-block;
  padding: 2px 9px; border-radius: 999px;
  font-size: 11.5px; font-weight: 700;
  background: var(--c-surface-2);
  color: var(--c-text-2);
}
.st.unused { background: #eef0f5; color: #4a5468; }
.st.active { background: rgba(13,122,61,.13); color: #0a6633; }
.st.disabled { background: rgba(207,47,52,.13); color: #a8262a; }
.st.expired { background: rgba(180,83,9,.15); color: #8a4207; }

/* 投放去向标签（批次列表用） */
.tag {
  display: inline-block;
  padding: 2px 9px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600;
  background: var(--c-primary-050);
  color: var(--c-primary-600);
  border: 1px solid rgba(47,82,224,.18);
  white-space: nowrap;
}
.tag.ok {
  background: rgba(13,122,61,.12);
  color: #0a6633;
  border-color: rgba(13,122,61,.24);
}
/* 未分配：提示代理需要尽快分配，否则名下账号看不到 */
.tag.warn {
  background: rgba(154,71,8,.12);
  color: #8a3f07;
  border-color: rgba(154,71,8,.26);
}

/* ============ 模态框 / Toast ============ */
.overlay-mask {
  position: fixed; inset: 0;
  background: rgba(16, 24, 48, .48);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 16px;
}
.overlay-mask[hidden] { display: none !important; }
.modal {
  width: min(560px, 100%);
  background: var(--c-surface);
  border-radius: var(--r-md);
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  max-height: 88vh; display: flex; flex-direction: column;
  overflow: hidden;
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--c-border);
}
.modal-head h3 { font-size: 14.5px; font-weight: 700; margin: 0; }
.modal-head .x {
  background: none; border: none;
  font-size: 18px; color: var(--c-text-3); cursor: pointer;
}
.modal-body { padding: 16px 18px; overflow: auto; }
.modal-foot {
  padding: 12px 18px; border-top: 1px solid var(--c-border);
  display: flex; justify-content: flex-end; gap: 8px;
}

/* 分配账号弹窗里的账号勾选列表 */
.assign-list {
  max-height: 46vh; overflow: auto;
  border: 1px solid var(--c-border); border-radius: var(--r-sm);
  background: var(--c-surface-2);
}
.assign-list .row {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-bottom: 1px solid var(--c-border);
  cursor: pointer;
}
.assign-list .row:last-child { border-bottom: none; }
.assign-list .row:hover { background: #fff; }
.assign-list .row input { width: 16px; height: 16px; flex-shrink: 0; accent-color: var(--c-primary); }
.assign-list .row .code { font-weight: 600; color: var(--c-text); font-size: 12.5px; }
.assign-list .row .meta { margin-left: auto; color: var(--c-text-3); font-size: 11.5px; }
.assign-list .empty { padding: 22px 12px; text-align: center; color: var(--c-text-3); font-size: 12.5px; }

.loading-mask {
  position: fixed; inset: 0;
  background: rgba(255,255,255,.6);
  display: none; align-items: center; justify-content: center;
  z-index: 90; backdrop-filter: blur(2px);
}
.loading-mask.show { display: flex; }
.spinner {
  width: 36px; height: 36px;
  border: 3px solid #e6eaf2;
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: sp .8s linear infinite;
}
@keyframes sp { to { transform: rotate(360deg); } }

.toast-host { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast {
  background: rgba(22, 32, 58, .95); color: #fff;
  padding: 9px 16px; border-radius: 10px; font-size: 13px;
  box-shadow: 0 8px 28px rgba(16,24,48,.35);
  animation: tin .18s ease-out;
  border: 1px solid rgba(255,255,255,.18);
}
.toast.ok { border-color: rgba(56,200,120,.6); color: #b8f5cf; }
.toast.err { border-color: rgba(240,110,115,.6); color: #ffc9cd; }
.toast.warn { border-color: rgba(235,175,80,.6); color: #ffe2b0; }
@keyframes tin { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* ============ 通用表单布局 ============ */
.form-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* ============ 上传卡片 ============ */
.upload-card {
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--r-md);
  padding: 24px;
  background: var(--c-surface-2);
  text-align: center;
  transition: .2s;
  cursor: pointer;
}
.upload-card.drag {
  border-color: var(--c-primary);
  background: var(--c-primary-050);
}
.upload-card .icon {
  font-size: 32px; color: var(--c-primary);
}
.upload-card .hint {
  margin-top: 6px; color: var(--c-text-3); font-size: 12px;
}
.upload-card input[type="file"] { display: none; }

/* ============ 列表项 ============ */
.list-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-bottom: 1px solid var(--c-border);
  font-size: 13px;
}
.list-item:hover { background: var(--c-surface-2); }
.list-item .grow { flex: 1; min-width: 0; }
.list-item .nm { font-weight: 700; }
.list-item .sub { color: var(--c-text-3); font-size: 11.5px; }

/* ============ 小工具 ============ */
.flex { display: flex; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.center { align-items: center; justify-content: center; }
.between { justify-content: space-between; }
.muted { color: var(--c-text-3); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.text-r { text-align: right; }
.mt-8 { margin-top: 8px; } .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; }