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

:root {
  --ink: #10203a;
  --muted: #5b6b84;
  --accent: #1554d1;
  --accent-dark: #0f3d9a;
  --bg: #f6f8fc;
  --card: #ffffff;
  --line: #dfe6f1;
  --ok: #0d8a5f;
  --warn: #9a6b00;
  --err: #b3261e;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.hidden { display: none !important; }

.topbar {
  background: var(--card); border-bottom: 1px solid var(--line);
  padding: 12px 20px; display: flex; align-items: center; justify-content: space-between;
}
.topbar .logo { font-weight: 800; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.topbar .logo span { color: var(--accent); }
.topbar .who { color: var(--muted); font-size: 0.9rem; display: flex; align-items: center; gap: 10px; }
.badge {
  background: #e8effc; color: var(--accent); font-size: 0.75rem;
  font-weight: 700; padding: 2px 10px; border-radius: 99px; text-transform: uppercase;
}
.linkbtn { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 0.9rem; text-decoration: underline; }

.wrap { max-width: 860px; margin: 0 auto; padding: 24px 20px 60px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 22px; margin-bottom: 20px;
}
.card h2 { font-size: 1.1rem; margin-bottom: 14px; }
.card h2 .time { color: var(--muted); font-weight: 400; font-size: 0.85rem; }

.btn {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 10px 20px; border-radius: 8px; font-weight: 700;
  border: none; font-size: 0.98rem; cursor: pointer;
}
.btn:hover { background: var(--accent-dark); }
.btn:disabled { opacity: 0.6; cursor: wait; }

input[type="email"], input[type="password"], textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 1rem; background: var(--bg); font-family: inherit;
}
textarea { resize: vertical; min-height: 74px; }

.login-box { max-width: 400px; margin: 60px auto; }
.login-box form { display: flex; flex-direction: column; gap: 12px; }
.login-box .sub { color: var(--muted); font-size: 0.9rem; margin-top: 12px; text-align: center; }
.login-box .sub a { color: var(--accent); }

.msg { font-size: 0.92rem; min-height: 1.3em; margin-top: 8px; }
.msg.err { color: var(--err); }
.msg.ok { color: var(--ok); }

.notice {
  background: #fff7e0; border: 1px solid #ecd9a0; color: var(--warn);
  border-radius: 8px; padding: 10px 14px; font-size: 0.92rem; margin-bottom: 16px;
}

.uprow { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.uprow input[type="file"] { flex: 1; min-width: 220px; font-size: 0.92rem; }

table.docs { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
table.docs td { padding: 8px 6px; border-top: 1px solid var(--line); }
table.docs td.meta { color: var(--muted); white-space: nowrap; }
table.docs button { color: var(--err); background: none; border: none; cursor: pointer; }
.empty { color: var(--muted); font-size: 0.94rem; }

.askrow { display: flex; gap: 10px; align-items: flex-start; }
.askrow textarea { flex: 1; }

.answer { white-space: pre-wrap; margin-bottom: 14px; }
.source {
  border-left: 3px solid var(--accent); background: var(--bg);
  padding: 10px 14px; border-radius: 0 8px 8px 0; margin-bottom: 10px;
}
.source .src-name { font-weight: 700; font-size: 0.88rem; margin-bottom: 4px; }
.source .src-snippet { color: var(--muted); font-size: 0.88rem; }
.quota { color: var(--muted); font-size: 0.85rem; margin-top: 6px; }