:root {
  --bg: #f3f6fb;
  --panel: #ffffff;
  --text: #162033;
  --muted: #778295;
  --primary: #3974ff;
  --danger: #e5484d;
  --ok: #16a36b;
  --line: #e7ecf5;
  --shadow: 0 18px 45px rgba(24, 39, 75, .08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
.app { min-height: 100vh; display: flex; }
.sidebar { width: 270px; background: #101829; color: white; padding: 24px; display: flex; flex-direction: column; gap: 24px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 44px; height: 44px; border-radius: 14px; background: linear-gradient(135deg, #3974ff, #71e0ff); display: grid; place-items: center; font-weight: 800; font-size: 22px; }
h1, h2, h3, p { margin: 0; }
.brand h1 { font-size: 18px; }
.brand p { font-size: 12px; color: #aab4c6; margin-top: 3px; }
nav { display: grid; gap: 10px; }
.nav { border: 0; background: transparent; color: #cdd5e4; text-align: left; padding: 13px 14px; border-radius: 12px; cursor: pointer; font-size: 15px; }
.nav.active, .nav:hover { background: rgba(255,255,255,.11); color: white; }
.status { margin-top: auto; border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 14px; color: #aab4c6; font-size: 13px; }
.main { flex: 1; padding: 32px; overflow: auto; }
.login-card { max-width: 560px; margin: 110px auto; background: var(--panel); padding: 32px; border-radius: 24px; box-shadow: var(--shadow); }
.login-card h2 { font-size: 26px; margin-bottom: 8px; }
.login-card p, .header p { color: var(--muted); margin-top: 4px; }
.row { display: flex; gap: 12px; margin-top: 22px; }
.hidden { display: none !important; }
.page { display: grid; gap: 22px; }
.header { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.header h2 { font-size: 28px; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 16px; }
.card, .panel { background: var(--panel); border-radius: 20px; padding: 20px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.card span { color: var(--muted); font-size: 14px; }
.card strong { display: block; font-size: 28px; margin-top: 10px; }
.grid.two { display: grid; grid-template-columns: repeat(2, minmax(280px, 1fr)); gap: 18px; }
.small-gap { gap: 12px !important; }
input, select, textarea, button { font: inherit; }
input, select, textarea { width: 100%; border: 1px solid var(--line); background: #fbfcff; color: var(--text); border-radius: 12px; padding: 12px 14px; outline: none; }
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(57,116,255,.1); }
button { border: 0; border-radius: 12px; background: var(--primary); color: white; padding: 12px 16px; cursor: pointer; font-weight: 700; }
button:hover { filter: brightness(.96); }
button.danger { background: var(--danger); }
.action-form, .compact-form { display: grid; gap: 12px; }
.compact-form { grid-template-columns: 1.2fr .7fr 2fr .9fr .7fr auto; align-items: center; }
.settings-form { grid-template-columns: repeat(3, 1fr); }
.settings-form label { color: var(--muted); font-size: 13px; display: grid; gap: 8px; }
.result { background: #0b1220; color: #dce7ff; padding: 18px; border-radius: 18px; overflow: auto; max-height: 420px; }
.table { display: grid; gap: 12px; }
.rule-row, .log-item { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 16px; display: grid; gap: 8px; box-shadow: 0 10px 26px rgba(24,39,75,.04); }
.rule-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; background: #edf4ff; color: #2864e5; }
.badge.off { background: #f1f2f5; color: #7e8796; }
.badge.danger { background: #fff0f0; color: var(--danger); }
.meta { color: var(--muted); font-size: 13px; word-break: break-all; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.row-actions button { padding: 8px 10px; font-size: 13px; }
.log-list { display: grid; gap: 12px; }
.log-item { grid-template-columns: 160px 1fr auto; align-items: start; }
.log-time { color: var(--muted); font-size: 12px; }
.log-main strong { display: block; margin-bottom: 4px; }
.log-main pre { white-space: pre-wrap; word-break: break-word; background: #f7f9fd; border-radius: 12px; padding: 10px; color: #3f4b5f; }
@media (max-width: 980px) {
  .app { display: block; }
  .sidebar { width: 100%; height: auto; position: static; }
  nav { grid-template-columns: repeat(3, 1fr); }
  .cards, .grid.two, .compact-form, .settings-form { grid-template-columns: 1fr; }
  .main { padding: 18px; }
  .log-item { grid-template-columns: 1fr; }
}
.result.mini { max-height: 240px; min-height: 110px; }
#pageReply label { color: var(--muted); font-size: 13px; display: grid; gap: 8px; }
#pageReply textarea[name="reply"] { min-height: 110px; }
#pageReply .panel h3 { margin-bottom: 4px; }
.env-group { display: grid; gap: 16px; }
.env-grid { display: grid; grid-template-columns: repeat(2, minmax(280px, 1fr)); gap: 14px; }
.env-grid label { color: var(--muted); font-size: 13px; display: grid; gap: 8px; }
.env-grid label span { color: #9aa5b7; font-size: 12px; line-height: 1.45; }
.env-grid textarea { min-height: 118px; }
.env-save-btn { justify-self: start; min-width: 180px; }
.tip-panel p { color: var(--muted); line-height: 1.7; }
.tip-panel code { background: #f1f5fd; color: #2864e5; padding: 2px 6px; border-radius: 8px; }
@media (max-width: 980px) { .env-grid { grid-template-columns: 1fr; } }
.provider-panel { display: grid; gap: 16px; }
.provider-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.provider-head p { color: var(--muted); margin-top: 6px; }
.provider-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.provider-card { text-align: left; display: grid; gap: 8px; padding: 14px; border-radius: 16px; border: 1px solid var(--line); background: #fbfcff; color: var(--text); cursor: pointer; box-shadow: none; }
.provider-card:hover { border-color: rgba(57,116,255,.45); transform: translateY(-1px); }
.provider-card.active { border-color: var(--primary); background: #f1f6ff; box-shadow: 0 10px 24px rgba(57,116,255,.12); }
.provider-card b { font-size: 15px; }
.provider-card span { justify-self: start; border-radius: 999px; background: #edf4ff; color: #2864e5; padding: 3px 8px; font-size: 12px; font-weight: 700; }
.provider-card code { font-size: 12px; color: #526078; overflow-wrap: anywhere; }
.provider-card em { font-style: normal; font-size: 12px; color: #2b3a55; font-weight: 700; }
.provider-card small { color: var(--muted); line-height: 1.45; }
@media (max-width: 1180px) { .provider-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 720px) { .provider-grid { grid-template-columns: 1fr; } }
.model-field { grid-column: span 1; }
.model-select-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.model-tip { color: #7f8da6; font-size: 12px; line-height: 1.45; }
@media (max-width: 720px) { .model-select-wrap { grid-template-columns: 1fr; } }
#pageAiTools label { color: var(--muted); font-size: 13px; display: grid; gap: 8px; }
#pageAiTools .panel h3 { margin-bottom: 4px; }
#pageAiTools textarea { min-height: 120px; }
.result.tall { max-height: 360px; min-height: 170px; }
.env-help { color: var(--muted); line-height: 1.65; font-size: 13px; }
.env-custom-field { display: grid; gap: 8px; }
.env-delete-custom { display: flex !important; grid-template-columns: auto 1fr; align-items: center; gap: 8px !important; color: var(--danger) !important; font-size: 12px !important; }
.env-delete-custom input { width: auto; box-shadow: none; }


.password-form {
  margin-top: 18px;
  border-color: rgba(248, 113, 113, 0.24);
}

.password-form h3 {
  margin: 0 0 8px;
}

.form-tip {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.7;
}

.form-tip code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.08);
  color: var(--text);
}