/* ============================================================
   SimpCore 密钥分发平台 — 简约黑白线条风格
   ============================================================ */
:root {
  --ink: #111111;
  --paper: #ffffff;
  --line: #111111;
  --muted: #666666;
  --faint: #9a9a9a;
  --hover: #111111;
}

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

html, body { height: 100%; }

body {
  font-family: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; }

a { color: var(--ink); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 顶部导航 ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 10;
}
.brand { font-weight: 700; letter-spacing: 3px; font-size: 16px; }
.brand .sub { display: block; font-size: 10px; letter-spacing: 2px; color: var(--muted); font-weight: 400; }
.nav-links { display: flex; align-items: center; gap: 20px; font-size: 13px; }
.nav-links a, .nav-links button {
  background: none; border: none; cursor: pointer;
  font-size: 13px; color: var(--ink); font-family: inherit;
  border-bottom: 1px solid transparent; padding: 2px 0;
}
.nav-links a:hover, .nav-links button:hover { border-bottom-color: var(--ink); text-decoration: none; }

/* ---------- 布局 ---------- */
.container { max-width: 860px; margin: 0 auto; padding: 48px 24px; }
.container.wide { max-width: 1080px; }

/* ---------- 标题 ---------- */
.page-title { font-size: 24px; font-weight: 700; letter-spacing: 2px; margin-bottom: 6px; }
.page-sub { font-size: 12px; color: var(--muted); letter-spacing: 1px; margin-bottom: 36px; }

/* ---------- 卡片 ---------- */
.card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 32px 36px;
}
.card-head {
  display: flex; align-items: baseline; justify-content: space-between;
  border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 24px;
}
.card-head h2 { font-size: 15px; font-weight: 700; letter-spacing: 2px; }
.card-head .hint { font-size: 11px; color: var(--muted); }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 22px; }
.form-label { display: block; font-size: 12px; letter-spacing: 1px; color: var(--muted); margin-bottom: 6px; }
.form-input {
  width: 100%; border: none; border-bottom: 1px solid var(--line);
  background: transparent; color: var(--ink);
  font-size: 15px; padding: 8px 2px; outline: none; font-family: inherit;
  transition: border-width .1s;
}
.form-input:focus { border-bottom-width: 2px; }
.form-input::placeholder { color: var(--faint); }

.input-row { display: flex; gap: 10px; align-items: flex-end; }
.input-row .form-input { flex: 1; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; border: 1px solid var(--line); background: var(--paper);
  color: var(--ink); font-size: 13px; letter-spacing: 2px; padding: 9px 22px;
  cursor: pointer; font-family: inherit; transition: background .12s, color .12s;
  text-align: center;
}
.btn:hover { background: var(--hover); color: var(--paper); text-decoration: none; }
.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn.sm { padding: 5px 12px; font-size: 12px; letter-spacing: 1px; }
.btn.ghost { border-color: transparent; padding-left: 0; padding-right: 0; }
.btn.ghost:hover { background: transparent; color: var(--ink); text-decoration: underline; }
.btn.block { width: 100%; }
.btn.danger:hover { background: #111; color: #fff; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); }
table.line { width: 100%; border-collapse: collapse; font-size: 13px; }
table.line th, table.line td {
  border-bottom: 1px solid var(--line); padding: 10px 14px; text-align: left;
  white-space: nowrap; vertical-align: middle;
}
table.line th { border-bottom-width: 2px; letter-spacing: 1px; font-size: 12px; }
table.line tr:last-child td { border-bottom: none; }
table.line tbody tr:hover { background: #f6f6f6; }
td.mono-cell { font-family: "SFMono-Regular", Consolas, Menlo, monospace; font-size: 12px; }
td .num { font-family: "SFMono-Regular", Consolas, Menlo, monospace; }

/* ---------- badge ---------- */
.badge {
  display: inline-block; border: 1px solid var(--line);
  font-size: 11px; letter-spacing: 1px; padding: 1px 8px;
}
.badge.revoked { color: var(--faint); border-color: var(--faint); }
.badge.admin { background: var(--ink); color: var(--paper); }
.badge.v2 { border-style: dashed; }

/* ---------- API 调用地址 ---------- */
.api-line { display: flex; align-items: center; gap: 14px; padding: 7px 0; }
.api-line + .api-line { border-top: 1px solid var(--line); }
.api-tag {
  flex-shrink: 0; border: 1px solid var(--line); font-size: 11px; letter-spacing: 1px;
  padding: 1px 8px; color: var(--muted);
}
.api-tag.v2 { border-style: dashed; }
.api-path { font-size: 13px; word-break: break-all; }

/* ---------- 提示 ---------- */
.msg {
  border: 1px solid var(--line); padding: 10px 14px; font-size: 13px; margin-bottom: 18px;
  display: none;
}
.msg.show { display: block; }
.msg.err { border-color: #111; }
.msg.ok { border-color: #111; }
.msg.ok::before { content: "✓ "; font-weight: 700; }
.msg.err::before { content: "✕ "; font-weight: 700; }

/* ---------- 验证码/密钥展示 ---------- */
.key-box {
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 13px; border: 1px solid var(--line); padding: 12px 16px;
  word-break: break-all; background: #fff; position: relative;
}
.key-actions { display: flex; gap: 12px; margin-top: 14px; }

/* ---------- 状态条 ---------- */
.stat-row { display: flex; gap: 0; border: 1px solid var(--line); margin-bottom: 28px; }
.stat {
  flex: 1; padding: 18px 22px; border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat .k { font-size: 11px; letter-spacing: 1px; color: var(--muted); }
.stat .v { font-size: 26px; font-weight: 700; margin-top: 4px; font-family: "SFMono-Regular", Consolas, Menlo, monospace; }

/* ---------- tabs ---------- */
.tabs { display: flex; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.tab {
  padding: 8px 22px; font-size: 13px; letter-spacing: 1px; cursor: pointer;
  border: 1px solid transparent; border-bottom: none; margin-bottom: -1px; color: var(--muted);
}
.tab.active { border-color: var(--line); border-bottom-color: var(--paper); color: var(--ink); font-weight: 700; }

/* ---------- 登录/注册 ---------- */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card { width: 400px; border: 1px solid var(--line); background: var(--paper); }
.auth-head { border-bottom: 1px solid var(--line); padding: 24px 28px; }
.auth-head h1 { font-size: 18px; letter-spacing: 3px; font-weight: 700; }
.auth-head p { font-size: 11px; color: var(--muted); letter-spacing: 1px; margin-top: 4px; }
.auth-body { padding: 28px; }
.auth-toggle { display: flex; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.auth-toggle span {
  flex: 1; text-align: center; padding: 8px 0; font-size: 13px; letter-spacing: 2px;
  cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.auth-toggle span.active { color: var(--ink); font-weight: 700; border-bottom-color: var(--ink); }
.auth-foot { text-align: center; font-size: 11px; color: var(--faint); padding: 18px 0; border-top: 1px solid var(--line); letter-spacing: 1px; }

.empty { text-align: center; color: var(--faint); padding: 30px 0; font-size: 13px; letter-spacing: 1px; }
.hidden { display: none !important; }