:root {
  --ink: #18191f;
  --panel: #ffffff;
  --paper: #f4f1ea;
  --line: rgba(24, 25, 31, .1);
  --muted: #716d66;
  --text: #202124;
  --accent: #b24c26;
  --accent-dark: #8f3518;
  --green: #11724b;
  --amber: #b78417;
  --danger: #bf3f3f;
  --shadow: 0 14px 44px rgba(24, 25, 31, .08);
  --radius: 8px;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--paper); }
button, input, select, textarea { font: inherit; }
button { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--text); padding: 9px 14px; cursor: pointer; }
button:hover { border-color: var(--accent); color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }
button.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
button.full { width: 100%; justify-content: center; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; background: #fffdfa; color: var(--text); outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(178, 76, 38, .12); }

.login-body { display: grid; place-items: center; background: linear-gradient(135deg, #18191f 0%, #2c2b29 55%, #6b3c24 100%); }
.login-shell { width: min(920px, 92vw); min-height: 560px; display: grid; place-items: center; }
.login-panel { width: min(420px, 100%); background: rgba(255,255,255,.96); border: 1px solid rgba(255,255,255,.6); border-radius: 18px; padding: 34px; box-shadow: 0 26px 80px rgba(0,0,0,.24); }
.brandline { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.brandline.compact { margin: 0 0 26px; padding: 0 4px; }
.brandmark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 900; }
.brandname { font-weight: 800; letter-spacing: .03em; }
.brandsub, .eyebrow { font-size: 11px; color: var(--muted); letter-spacing: .14em; text-transform: uppercase; }
.login-panel h1 { margin: 0 0 8px; font-size: 30px; letter-spacing: 0; }
.login-copy { margin: 0 0 24px; color: var(--muted); line-height: 1.7; }
.login-form { display: grid; gap: 16px; }
.login-form label { display: grid; gap: 7px; font-size: 13px; font-weight: 700; color: var(--muted); }
.status-line { min-height: 20px; color: var(--danger); font-size: 13px; }

.app { display: grid; grid-template-columns: 244px minmax(0, 1fr); min-height: 100vh; }
.sidebar { background: var(--ink); color: #f8f3ea; padding: 24px 18px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.sidebar .brandsub { color: rgba(248,243,234,.45); }
.nav { display: grid; gap: 6px; }
.nav-item { text-align: left; color: rgba(248,243,234,.7); background: transparent; border-color: transparent; box-shadow: none; }
.nav-item:hover, .nav-item.active { background: rgba(178,76,38,.22); border-color: transparent; color: #fff; }
.logout { margin-top: auto; color: rgba(248,243,234,.78); background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.1); }
.main { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 5; height: 76px; display: flex; justify-content: space-between; align-items: center; padding: 0 34px; background: rgba(244,241,234,.9); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.topbar h1 { margin: 3px 0 0; font-size: 23px; letter-spacing: 0; }
.top-actions { display: flex; gap: 10px; align-items: center; }
.role-badge { border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; color: var(--muted); background: rgba(255,255,255,.68); font-weight: 700; font-size: 12px; }
.toast { margin: 20px 34px 0; display: none; padding: 10px 14px; border-radius: var(--radius); font-weight: 700; }
.toast.ok { display: block; color: var(--green); background: rgba(17,114,75,.1); }
.toast.err { display: block; color: var(--danger); background: rgba(191,63,63,.1); }
.tab { display: none; padding: 24px 34px 56px; }
.tab.active { display: block; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.metrics article, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
.metrics article { padding: 18px 20px; }
.metrics span { color: var(--muted); font-size: 13px; }
.metrics strong { display: block; margin-top: 8px; font-size: 32px; line-height: 1; }
.workgrid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 18px; align-items: start; }
.profile-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 18px; align-items: start; }
.account-grid { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr); gap: 18px; align-items: start; }
.account-form-panel { border-left: 4px solid var(--green); }
.issue-grid { margin-bottom: 18px; }
.issue-panel { border-left: 4px solid var(--accent); }
.issue-form { grid-template-columns: minmax(240px, 1fr) minmax(180px, .7fr) auto; align-items: end; }
.issue-form button { height: 42px; }
.panel { padding: 20px; }
.panel-head { display: flex; justify-content: space-between; gap: 16px; align-items: start; margin-bottom: 18px; }
.panel-head h2 { margin: 0; font-size: 18px; }
.panel-head span { color: var(--muted); font-size: 13px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 16px; }
.form-grid.one { grid-template-columns: 1fr; }
.form-grid label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; font-weight: 700; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions, .cell-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.form-actions { justify-content: flex-end; }
.filters { display: grid; grid-template-columns: 150px 170px minmax(220px, 1fr) 90px; gap: 10px; margin-bottom: 14px; }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
.compact-table table { min-width: 0; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; font-size: 13px; }
th { background: #fbfaf7; color: var(--muted); font-weight: 800; }
tr:last-child td { border-bottom: none; }
.notice { display: none; margin-bottom: 14px; padding: 12px 14px; border: 1px solid rgba(183,132,23,.28); border-radius: var(--radius); background: rgba(183,132,23,.1); color: #75530f; font-size: 13px; font-weight: 700; }
.code-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.code-card, .empty-card { background: #fffdfa; border: 1px solid var(--line); border-radius: var(--radius); }
.code-card { position: relative; overflow: hidden; padding: 14px; border-top: 5px solid var(--pkg-color, var(--accent)); transition: border-color .16s, box-shadow .16s, transform .16s; }
.code-card.starter { --pkg-color: var(--green); --pkg-soft: rgba(17,114,75,.1); }
.code-card.small { --pkg-color: var(--accent); --pkg-soft: rgba(178,76,38,.12); }
.code-card.medium { --pkg-color: var(--amber); --pkg-soft: rgba(183,132,23,.14); }
.code-card.large { --pkg-color: #70539b; --pkg-soft: rgba(112,83,155,.13); }
.code-card.custom { --pkg-color: var(--ink); --pkg-soft: rgba(24,25,31,.08); }
.code-card:hover { border-color: rgba(24,25,31,.2); box-shadow: 0 10px 28px rgba(24,25,31,.08); transform: translateY(-1px); }
.code-card-top { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: stretch; gap: 10px; margin-bottom: 12px; }
.package-head, .coin-head { border-radius: var(--radius); padding: 10px 12px; background: var(--pkg-soft, rgba(24,25,31,.06)); border: 1px solid rgba(24,25,31,.06); }
.package-head { min-width: 0; }
.package-head span, .coin-head span { display: block; margin-bottom: 3px; color: var(--muted); font-size: 11px; font-weight: 800; }
.package-head strong { display: block; color: var(--pkg-color, var(--accent)); font-size: 22px; line-height: 1.05; font-weight: 900; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.coin-head { min-width: 86px; text-align: right; }
.coin-head strong { display: block; color: var(--ink); font-size: 24px; line-height: 1; font-weight: 900; }
.code-value { min-height: 38px; display: flex; align-items: center; padding: 8px 10px; border: 1px dashed rgba(24,25,31,.18); border-radius: var(--radius); background: #fbfaf7; color: var(--ink); font-size: 17px; font-weight: 900; letter-spacing: 0; word-break: break-all; }
.code-meta-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.code-meta-grid div { min-width: 0; padding: 9px 10px; border-radius: var(--radius); background: rgba(24,25,31,.035); }
.code-meta-grid span { display: block; margin-bottom: 4px; color: var(--muted); font-size: 12px; font-weight: 700; }
.code-meta-grid strong { display: block; min-width: 0; color: var(--text); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.code-card-foot { display: flex; justify-content: flex-end; margin-top: 12px; }
.copy-code-btn { border-color: color-mix(in srgb, var(--pkg-color, var(--accent)) 38%, transparent); color: var(--pkg-color, var(--accent)); font-weight: 900; }
.copy-code-btn:hover { background: var(--pkg-soft, rgba(178,76,38,.08)); }
.empty-card { grid-column: 1 / -1; padding: 30px 16px; text-align: center; color: var(--muted); font-size: 14px; }
.badge { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 3px 9px; font-size: 12px; font-weight: 800; line-height: 1; }
.code-card-top > .badge { align-self: center; justify-self: end; width: 64px; height: 64px; padding: 0; text-align: center; }
.badge.active { color: var(--green); background: rgba(17,114,75,.1); }
.badge.used { color: var(--accent); background: rgba(178,76,38,.1); }
.badge.exhausted, .badge.disabled, .badge.revoked { color: var(--danger); background: rgba(191,63,63,.1); }
.badge.owner { color: #4d326f; background: rgba(112,83,155,.14); }
.badge.manager { color: var(--amber); background: rgba(183,132,23,.14); }
.badge.staff { color: var(--green); background: rgba(17,114,75,.1); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.subline { margin-top: 3px; color: var(--muted); font-size: 12px; }
.pager { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.pager button.active { background: var(--ink); color: #fff; border-color: var(--ink); }

@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .nav { grid-template-columns: repeat(2, 1fr); }
  .metrics, .workgrid, .profile-grid, .account-grid, .form-grid { grid-template-columns: 1fr; }
  .issue-form { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr; }
  .code-card-top { grid-template-columns: 1fr; }
  .coin-head { text-align: left; }
  .topbar { padding: 0 18px; }
  .tab { padding: 20px 18px 40px; }
  .toast { margin-left: 18px; margin-right: 18px; }
}