:root {
  --bg: #0f1115;
  --bg-2: #121519;
  --card: #15171b;
  --card-border: #292c31;
  --txt: #eceef2;
  --mut: #9094a2;
  --acc: #0c70f3;
  --acc-2: #60b3fe;
  --teal: #ff8800;
  --ok: #22c55e;
  --bad: #ef4444;
  --grad: linear-gradient(135deg, #0c70f3 0%, #38bdf8 50%, #ff8800 100%);
  --grad-blue: linear-gradient(135deg, #0c70f3 0%, #3d8bfd 100%);
  --grad-teal: linear-gradient(135deg, #ff8800 0%, #ff5500 100%);
  --side-w: 248px;
}
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', Roboto, sans-serif; }
html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, 0.18) transparent; }
::selection { background: rgba(12, 112, 243, 0.35); color: #fff; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.12); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: rgba(12, 112, 243, 0.5); }
body {
  background: var(--bg);
  background-image: radial-gradient(1200px 600px at 50% -200px, rgba(12, 112, 243, 0.16), transparent 60%),
                    radial-gradient(900px 500px at 100% 20%, rgba(255, 136, 0, 0.06), transparent 55%);
  color: var(--txt); line-height: 1.6; min-height: 100vh;
}

/* ===== 登录视图：全屏居中卡片 ===== */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { width: 100%; max-width: 400px; background: var(--card); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 40px 36px 32px; text-align: center; position: relative; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45); }
.login-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad); }
.l-logo { width: 60px; height: 60px; margin: 0 auto 18px; border-radius: 16px; background: var(--grad);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #fff;
  box-shadow: 0 10px 28px rgba(12, 112, 243, 0.35); animation: float 3.5s ease-in-out infinite; }
.login-card h2 { font-size: 1.25rem; margin-bottom: 22px; }

/* ===== 主应用：侧边栏 + 内容区 ===== */
#dashboard { display: flex; min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; width: var(--side-w); flex: 0 0 var(--side-w);
  background: var(--bg-2); border-right: 1px solid var(--card-border);
  display: flex; flex-direction: column; padding: 20px 14px; z-index: 100; }
.side-logo { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 1.08rem;
  text-decoration: none; color: var(--txt); padding: 4px 10px 22px; }
.side-logo .mark { width: 36px; height: 36px; border-radius: 10px; background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 0.95rem; box-shadow: 0 6px 16px rgba(12, 112, 243, 0.35); }
.side-nav { display: flex; flex-direction: column; gap: 4px; }
.side-item { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: 10px;
  color: var(--mut); text-decoration: none; font-size: 0.92rem; font-weight: 500; transition: all 0.2s ease; }
.side-item i { width: 18px; text-align: center; font-size: 0.9rem; }
.side-item:hover { background: rgba(255, 255, 255, 0.04); color: var(--txt); }
.side-item.active { background: rgba(12, 112, 243, 0.14); color: var(--acc); }
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.user-chip { display: flex; align-items: center; gap: 8px; color: var(--mut); font-size: 0.88rem; width: 100%;
  background: rgba(255, 255, 255, 0.04); padding: 9px 12px; border-radius: 10px; border: 1px solid var(--card-border); }
.user-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.side-logout { display: flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; width: 100%;
  border: 1px solid var(--card-border); background: rgba(255, 255, 255, 0.04); color: var(--mut);
  padding: 10px 12px; border-radius: 10px; font-size: 0.9rem; transition: all 0.2s ease; }
.side-logout:hover { color: var(--bad); border-color: var(--bad); background: rgba(239, 68, 68, 0.1); }

.main { flex: 1; min-width: 0; padding: 28px 36px 48px; }
.banner { display: flex; align-items: center; gap: 10px; background: rgba(12, 112, 243, 0.1);
  border: 1px solid rgba(12, 112, 243, 0.25); border-radius: 10px; padding: 11px 16px; font-size: 0.88rem; margin-bottom: 26px; }
.banner i { color: var(--acc); }
.page-head { margin-bottom: 22px; }
.page-head h1 { font-size: 1.7rem; font-weight: 700; letter-spacing: 0.3px; }
.page-head p { color: var(--mut); font-size: 0.92rem; margin-top: 4px; }

/* ===== 统计卡片 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.stat { background: var(--card); border: 1px solid var(--card-border); border-radius: 14px; padding: 20px;
  position: relative; overflow: hidden; transition: transform 0.25s ease, border-color 0.25s ease; }
.stat:hover { transform: translateY(-4px); border-color: rgba(12, 112, 243, 0.35); }
.stat .s-icon { position: absolute; right: 14px; top: 14px; font-size: 2.2rem; opacity: 0.13; }
.stat .s-num { font-size: 1.9rem; font-weight: 800; letter-spacing: 0.5px; margin: 6px 0 2px; }
.stat .s-lbl { color: var(--mut); font-size: 0.88rem; }
.stat.purple .s-num { color: #60b3fe; }
.stat.teal .s-num { color: #38bdf8; }
.stat.amber .s-num { color: #ffa94d; }
.stat.loading .s-num { color: transparent; position: relative; }
.stat.loading .s-num::after { content: ""; position: absolute; left: 0; top: 6px; width: 96px; height: 26px; border-radius: 8px;
  background: linear-gradient(90deg, rgba(255,255,255,0.05), rgba(255,255,255,0.16), rgba(255,255,255,0.05));
  background-size: 200% 100%; animation: shimmer 1.1s linear infinite; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ===== 图表 ===== */
.page-head-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.range-tabs { display: flex; gap: 4px; background: rgba(0,0,0,0.28); border: 1px solid var(--card-border); border-radius: 10px; padding: 4px; }
.range-btn { border: none; background: transparent; color: var(--mut); font-size: 0.85rem; font-weight: 600;
  padding: 6px 14px; border-radius: 8px; cursor: pointer; transition: all 0.2s ease; }
.range-btn:hover { color: var(--txt); }
.range-btn.active { background: var(--grad-blue); color: #fff; box-shadow: 0 4px 14px rgba(12,112,243,0.35); }
.chart-card { margin-bottom: 22px; }
.chart-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.card .chart-head h2 { margin-bottom: 0; }
.chart-summary { color: var(--mut); font-size: 0.84rem; }
.chart-wrap { width: 100%; }
.area-chart { width: 100%; height: auto; display: block; }
.chart-axis { display: flex; justify-content: space-between; color: var(--mut); font-size: 0.8rem; margin-top: 8px; }
.model-grid { display: grid; grid-template-columns: minmax(160px, 1fr) 110px 150px 150px; align-items: center; gap: 14px; }
.model-head { color: var(--mut); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.4px;
  padding-bottom: 10px; border-bottom: 1px solid var(--card-border); margin-bottom: 2px; }
.model-head .spark-head { text-align: right; }
.model-row { padding: 14px 0; border-bottom: 1px solid var(--card-border); }
.model-row:last-child { border-bottom: none; }
.model-name { font-family: ui-monospace, 'Cascadia Code', Consolas, monospace; font-weight: 600; font-size: 0.95rem; color: var(--txt); word-break: break-all; }
.model-reqs { color: var(--mut); font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.model-tokens { font-weight: 700; font-size: 0.95rem; text-align: right; font-variant-numeric: tabular-nums; }
.model-spark { display: flex; justify-content: flex-end; }
.model-spark svg { width: 150px; height: 40px; display: block; }
@media (max-width: 760px) {
  .model-grid { grid-template-columns: minmax(120px, 1fr) 84px 110px; }
  .model-head .spark-head, .model-spark { display: none; }
}

/* ===== 内容区 ===== */
.content-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 18px; align-items: start; }
.col { display: flex; flex-direction: column; gap: 18px; }
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: 14px; padding: 22px;
  transition: transform 0.25s ease, border-color 0.25s ease; }
.card:hover { border-color: rgba(12, 112, 243, 0.35); }
.card h2 { font-size: 1.02rem; display: flex; align-items: center; gap: 9px; margin-bottom: 18px; }
.card h2 i { color: var(--acc); font-size: 0.95rem; width: 20px; text-align: center; }

/* ===== 表单 / 按钮 ===== */
.field { position: relative; margin-bottom: 14px; text-align: left; }
.field i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--mut); font-size: 0.9rem; }
.field input { width: 100%; padding: 13px 14px 13px 42px; background: rgba(0, 0, 0, 0.28); border: 1px solid var(--card-border);
  border-radius: 10px; color: var(--txt); font-size: 0.95rem; outline: none; transition: border-color 0.25s ease, box-shadow 0.25s ease; }
.field input:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(12, 112, 243, 0.18); }
.auth-switch { margin-top: 16px; font-size: 0.9rem; color: var(--mut); }
.auth-switch a { color: var(--acc); text-decoration: none; font-weight: 600; margin-left: 6px; }
.auth-switch a:hover { color: #60b3fe; text-decoration: underline; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer;
  border: none; border-radius: 10px; font-size: 0.95rem; font-weight: 600; padding: 12px 22px; transition: all 0.25s ease; }
.btn-primary { background: var(--grad-blue); color: #fff; box-shadow: 0 8px 22px rgba(12, 112, 243, 0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(12, 112, 243, 0.45); }
.btn-primary:active { transform: translateY(0); }
.btn-block { width: 100%; }
.btn-ghost { background: rgba(255, 255, 255, 0.05); border: 1px solid var(--card-border); color: var(--txt); }
.btn-ghost:hover { border-color: var(--acc); color: var(--acc); }
.btn-danger { background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.4); color: var(--bad); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.22); }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row .field { flex: 1; min-width: 160px; margin-bottom: 0; }
.check { display: flex; align-items: center; gap: 8px; color: var(--mut); font-size: 0.9rem; white-space: nowrap; padding: 0 4px; }
.check input { width: 16px; height: 16px; accent-color: var(--acc); cursor: pointer; }

/* ===== Key 卡片 / 列表 ===== */
.newkey-box { display: none; margin-top: 16px; padding: 16px; background: rgba(34, 197, 94, 0.07);
  border: 1px solid rgba(34, 197, 94, 0.4); border-radius: 12px; }
.newkey-box .t { color: var(--ok); font-size: 0.82rem; font-weight: 600; margin-bottom: 8px; }
.mono { font-family: ui-monospace, 'Cascadia Code', Consolas, monospace; font-size: 0.86rem; word-break: break-all;
  background: rgba(0, 0, 0, 0.32); border: 1px solid var(--card-border); border-radius: 10px; padding: 11px 13px; color: #a0dcfd; }
.key-card { border: 1px solid var(--card-border); border-radius: 12px; padding: 16px; margin-bottom: 12px;
  background: #1a1d22; transition: border-color 0.25s ease, transform 0.25s ease; }
.key-card:hover { border-color: rgba(12, 112, 243, 0.4); transform: translateY(-2px); }
.key-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; gap: 10px; }
.key-name { font-weight: 700; display: flex; align-items: center; gap: 8px; }
.key-name i { color: var(--acc); font-size: 0.9rem; }
.key-actions { display: flex; gap: 8px; }
.icon-btn { width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.04); color: var(--mut); cursor: pointer; font-size: 0.85rem; transition: all 0.2s ease;
  display: inline-flex; align-items: center; justify-content: center; }
.icon-btn:hover { color: var(--txt); border-color: var(--acc); }
.icon-btn.danger:hover { color: var(--bad); border-color: var(--bad); }
.key-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 10px; color: var(--mut); font-size: 0.82rem; }
.key-meta span { display: inline-flex; align-items: center; gap: 6px; }
.key-meta i { font-size: 0.8rem; }
.empty { color: var(--mut); text-align: center; padding: 36px 10px; }
.empty i { font-size: 2rem; opacity: 0.3; display: block; margin-bottom: 12px; }

/* ===== API Keys：表格 ===== */
.table-wrap { overflow-x: auto; }
.ktable { width: 100%; border-collapse: collapse; min-width: 520px; }
.ktable th { text-align: left; font-size: 0.78rem; color: var(--mut); font-weight: 600;
  padding: 10px 12px; border-bottom: 1px solid var(--card-border); white-space: nowrap; }
.ktable td { padding: 14px 12px; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 0.9rem; vertical-align: middle; }
.ktable tbody tr { transition: background 0.15s ease; }
.ktable tbody tr:hover { background: rgba(12,112,243,0.05); }
.ktable .td-name { font-weight: 600; }
.ktable .masked { color: var(--acc-2); user-select: all; }
.ktable .th-act, .ktable .td-act { text-align: right; white-space: nowrap; }
.ktable .td-act .icon-btn { width: 30px; height: 30px; }
.ktable .td-last { color: var(--mut); white-space: nowrap; }

/* ===== 创建 / 创建成功弹窗 ===== */
.modal-wide { max-width: 480px; }
.field-label { display: block; text-align: left; font-size: 0.82rem; color: var(--mut); margin: 2px 0 8px; }
.key-alert { text-align: left; font-size: 0.84rem; color: #fca5a5; background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3); border-radius: 10px; padding: 12px 14px; margin-bottom: 12px; line-height: 1.6; }
.key-safe { text-align: left; font-size: 0.84rem; color: var(--mut); background: rgba(12,112,243,0.08);
  border: 1px solid rgba(12,112,243,0.25); border-radius: 10px; padding: 10px 14px; margin-bottom: 14px; line-height: 1.6; }
.key-full { display: block; text-align: left; background: rgba(0,0,0,0.32); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 14px; margin-bottom: 18px; color: var(--ok); word-break: break-all; user-select: all; }

/* ===== 弹窗 / toast ===== */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(4px);
  z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal { background: #15171b; border: 1px solid var(--card-border); border-radius: 16px; padding: 28px; max-width: 400px;
  width: 100%; text-align: center; animation: fadeInUp 0.25s ease; }
.modal .m-icon { width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 50%; background: rgba(239, 68, 68, 0.14);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: var(--bad); }
.modal h3 { margin-bottom: 10px; }
.modal p { color: var(--mut); font-size: 0.92rem; margin-bottom: 22px; }
.modal-actions { display: flex; gap: 12px; justify-content: center; }
.toast { position: fixed; top: 24px; left: 50%; transform: translateX(-50%) translateY(-16px); z-index: 3000;
  padding: 11px 20px; border-radius: 10px; font-size: 0.9rem; font-weight: 600; opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease; background: #15171b; border: 1px solid var(--card-border); box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  display: flex; align-items: center; gap: 9px; max-width: calc(100vw - 40px); }
.toast i { font-size: 0.95rem; flex: 0 0 auto; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { border-color: rgba(34, 197, 94, 0.5); color: #86efac; }
.toast.err { border-color: rgba(239, 68, 68, 0.5); color: #fca5a5; }

/* ===== 动画 ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 860px) {
  #dashboard { flex-direction: column; }
  .sidebar { position: static; height: auto; width: 100%; flex: auto; flex-direction: row; align-items: center; flex-wrap: wrap; gap: 8px; padding: 12px 16px; }
  .side-logo { padding: 0; margin-right: auto; }
  .side-nav { flex-direction: row; flex-wrap: wrap; }
  .side-foot { margin: 0; flex-direction: row; width: auto; }
  .side-foot .user-chip, .side-foot .side-logout { width: auto; }
  .main { padding: 20px 18px 40px; }
  .content-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .stats-grid { grid-template-columns: 1fr; }
  .page-head h1 { font-size: 1.4rem; }
}