/* ============================================================
   考研打卡 · 应用层样式（复用 style.css 的主题变量）
   ============================================================ */

/* ---------- 通用块 ---------- */
section{padding:44px 0}
.sec-head{margin-bottom:22px}
.sec-num{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--ink-3)}
.sec-head h2{font-size:26px;font-weight:700;letter-spacing:-.01em;margin:6px 0 8px}
.sec-head .sub{color:var(--ink-2);font-size:14.5px;max-width:640px}
.lead{color:var(--ink-2);font-size:15.5px;max-width:680px}
.hint{color:var(--ink-3);font-size:13px;margin-top:14px}

/* ---------- 学习统计页 ---------- */
.page-h{font-size:30px;font-weight:700;letter-spacing:-.02em;margin:14px 0 8px}
.summary{display:flex;flex-wrap:wrap;gap:10px 22px;margin:24px 0 6px;font-size:13.5px;color:var(--ink-2)}
.summary b{color:var(--ink);font-weight:650;font-variant-numeric:tabular-nums}
.sub-h{font-size:16px;font-weight:650;margin:30px 0 12px}

/* ---------- 倒计时 ---------- */
.count{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:10px 0 12px}
.count .n{
  font-size:clamp(58px,13vw,110px);font-weight:800;line-height:1;letter-spacing:-.045em;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.count .u{font-size:19px;color:var(--ink-2);font-weight:600}

/* ---------- 进行中横幅 ---------- */
.banner{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:22px;padding:14px 18px;
  border-radius:12px;border:1px solid rgba(70,224,255,.42);background:rgba(70,224,255,.07);
}
[data-theme="light"] .banner{border-color:rgba(10,132,201,.35);background:rgba(10,132,201,.06)}
.pulse{width:9px;height:9px;border-radius:50%;background:var(--cyan);flex:none;animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.65)}}
.banner .txt{font-size:14.5px}
.banner .txt b{font-size:15.5px}

/* ---------- 科目卡片 ---------- */
.subj{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:16px}
.scard{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;overflow:hidden;transition:border-color .18s,transform .18s;
}
.scard::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent);opacity:.9}
.scard:hover{border-color:var(--line-2);transform:translateY(-2px)}
.scard .st{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ink-3)}
.scard .sn{font-size:20px;font-weight:700;margin-top:5px}
.scard .rows{margin:14px 0 4px;display:flex;flex-direction:column;gap:5px}
.scard .rows .r{display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink-2)}
.scard .rows .r b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:10px;font-size:14.5px;font-weight:600;font-family:inherit;
  cursor:pointer;border:1px solid var(--line-2);background:var(--panel-2);color:var(--ink);
  text-decoration:none;transition:border-color .15s,color .15s,filter .15s;white-space:nowrap;
}
.btn:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-primary{background:var(--cyan);border-color:var(--cyan);color:#04131c}
.btn-primary:hover{filter:brightness(1.12);color:#04131c;border-color:var(--cyan)}
.btn-accent{background:var(--accent,var(--cyan));border-color:var(--accent,var(--cyan));color:#04131c}
.btn-accent:hover{filter:brightness(1.12);color:#04131c;border-color:var(--accent,var(--cyan))}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-danger:hover{filter:brightness(1.1);color:#fff;border-color:var(--red)}
.btn-ghost{background:transparent}
.btn-block{width:100%;margin-top:16px}
.btn-lg{padding:16px 30px;font-size:17px;border-radius:12px}
.btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- 图表卡片 ---------- */
.charts{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:790px){.charts{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card h3{font-size:15.5px;font-weight:650}
.card .cap{font-size:12.5px;color:var(--ink-3);margin-top:3px}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap}
.chart{margin-top:14px}
.chart svg{width:100%;height:auto;display:block}
.chart text{font-family:var(--mono);font-size:11.5px;fill:var(--ink-2)}
.chart .axis{stroke:var(--line);stroke-width:1}
.chart .gridline{stroke:var(--line);stroke-width:1;stroke-dasharray:3 4;opacity:.75}
.chart .empty-t{fill:var(--ink-3);font-size:13px}

.toggle{display:inline-flex;border:1px solid var(--line-2);border-radius:999px;overflow:hidden;flex:none}
.toggle button{
  background:transparent;border:none;color:var(--ink-2);font-family:inherit;
  font-size:12.5px;padding:5px 13px;cursor:pointer;transition:.15s;
}
.toggle button.on{background:rgba(70,224,255,.15);color:var(--cyan)}
[data-theme="light"] .toggle button.on{background:rgba(10,132,201,.1)}

.legend{display:flex;flex-direction:column;gap:9px;margin-top:16px}
.legend .li{display:flex;align-items:center;gap:9px;font-size:13.5px}
.dot{width:9px;height:9px;border-radius:3px;flex:none}
.legend .nm{flex:1;color:var(--ink-2)}
.legend .vl{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 最近记录表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--ink-3);font-weight:500}
tbody tr:last-child td{border-bottom:none}
td.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--ink-2)}

/* ---------- 用户 ---------- */
.userchip{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}
.avatar{
  width:27px;height:27px;border-radius:9px;display:grid;place-items:center;flex:none;
  font-size:13px;font-weight:700;color:var(--ink);
  background:linear-gradient(135deg,rgba(70,224,255,.25),rgba(143,125,255,.25));
  border:1px solid rgba(70,224,255,.35);
}

/* ---------- 登录页 ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:32px 20px}
.login-card{
  width:100%;max-width:400px;background:var(--panel);border:1px solid var(--line);
  border-radius:18px;padding:32px 28px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.login-card .lt{font-size:23px;font-weight:700;margin:14px 0 6px}
.login-card .ls{font-size:13.5px;color:var(--ink-2);margin-bottom:24px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}
.field input{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line-2);
  background:var(--panel-2);color:var(--ink);font-size:15px;font-family:inherit;outline:none;transition:.15s;
}
.field input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(70,224,255,.14)}
.msg{font-size:13.5px;padding:10px 12px;border-radius:9px;margin-bottom:15px;display:none}
.msg.show{display:block}
.msg.err{background:rgba(255,107,122,.12);border:1px solid rgba(255,107,122,.42);color:var(--red)}

/* ---------- 专注页 ---------- */
.focus-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center}
.timer{
  font-family:var(--mono);font-size:clamp(50px,13vw,92px);font-weight:700;line-height:1.05;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin:18px 0 8px;
}
.subj-tag{
  display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:600;
  padding:6px 15px;border-radius:999px;border:1px solid var(--line-2);background:var(--panel);
}
.subj-tag .dot{width:10px;height:10px;border-radius:50%}
.focus-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:34px}

/* ---------- 提示条 ---------- */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);
  background:var(--panel-2);border:1px solid var(--line-2);border-radius:11px;
  padding:12px 20px;font-size:14px;opacity:0;pointer-events:none;transition:.28s;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:99;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
[data-theme="light"] .toast{background:rgba(245,247,250,.95);box-shadow:0 10px 30px -14px rgba(20,40,80,.4)}
.empty{color:var(--ink-3);font-size:13.5px;text-align:center;padding:26px 0}

/* 页脚里那个不显眼的小入口 */
a.quiet{
  color:var(--ink-3);font-size:12px;text-decoration:none;
  opacity:.55;transition:opacity .15s,color .15s;
}
a.quiet:hover{opacity:1;color:var(--ink-2)}

@media(max-width:560px){
  section{padding:34px 0}
  .count .n{font-size:62px}
}