:root {
  --felt: #0f5132;
  --felt-2: #0b3d27;
  --gold: #e7b94f;
  --gold-2: #f4d27a;
  --dark: #0a1f17;
  --ink: #f3f7f4;
  --muted: #9fb8ac;
  --red: #e23b46;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-line: rgba(231, 185, 79, 0.35);
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 50% 0%, #163d2c 0%, #0a1f17 70%);
  min-height: 100vh;
}

/* ---------------- 登录 / 注册 ---------------- */
.auth-body {
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
  background: radial-gradient(circle at 30% 20%, #1c4a35, #08160f 80%);
}
.auth-card {
  width: 360px; max-width: 92vw; padding: 34px 30px;
  background: rgba(10, 31, 23, 0.85);
  border: 1px solid var(--panel-line);
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  text-align: center;
}
.brand-logo { font-size: 30px; color: var(--gold); letter-spacing: 6px; }
.auth-card h1, .start-card h1 {
  font-size: 30px; letter-spacing: 8px; color: var(--gold-2);
  margin: 10px 0 4px; text-shadow: 0 2px 10px rgba(231, 185, 79, 0.3);
}
.brand-sub, .auth-sub { color: var(--muted); font-size: 13px; letter-spacing: 1px; }
.auth-card h2 { margin: 22px 0 6px; font-size: 20px; color: var(--ink); }
#auth-form { margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
#auth-form input {
  padding: 13px 14px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05); color: var(--ink); font-size: 15px; outline: none;
}
#auth-form input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(231, 185, 79, 0.18); }
#auth-form button {
  margin-top: 6px; padding: 13px; border: none; border-radius: 10px; cursor: pointer;
  background: linear-gradient(135deg, var(--gold), #c8951f); color: #2a1c00; font-weight: 700; font-size: 16px;
  letter-spacing: 4px; transition: transform .1s, filter .15s;
}
#auth-form button:hover { filter: brightness(1.08); }
#auth-form button:active { transform: scale(0.98); }
#auth-form button:disabled { opacity: .6; cursor: not-allowed; }
.auth-msg { min-height: 18px; margin-top: 10px; font-size: 13px; }
.auth-msg.error { color: #ff8a90; }
.auth-msg.ok { color: #8ff0b0; }
.switch-link { margin-top: 14px; color: var(--muted); font-size: 13px; }
.switch-link a { color: var(--gold-2); text-decoration: none; }

/* ---------------- 开始界面 ---------------- */
.start-screen { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.start-card {
  width: 460px; max-width: 92vw; padding: 40px 34px; text-align: center;
  background: rgba(10, 31, 23, 0.88); border: 1px solid var(--panel-line); border-radius: 20px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
}
.brand-logo.big { font-size: 34px; color: var(--gold); letter-spacing: 10px; }
.mode-buttons { display: flex; gap: 16px; margin: 26px 0 16px; }
.mode-btn {
  flex: 1; padding: 22px 14px; border-radius: 14px; cursor: pointer;
  background: linear-gradient(160deg, rgba(231,185,79,0.14), rgba(255,255,255,0.03));
  border: 1px solid var(--panel-line); color: var(--ink);
  display: flex; flex-direction: column; gap: 6px; align-items: center; transition: .15s;
}
.mode-btn:hover { transform: translateY(-3px); border-color: var(--gold); box-shadow: 0 10px 26px rgba(231,185,79,0.18); }
.mode-ico { font-size: 30px; }
.mode-name { font-size: 17px; font-weight: 700; color: var(--gold-2); }
.mode-desc { font-size: 12px; color: var(--muted); }
.start-tip { color: var(--muted); font-size: 12px; margin-top: 10px; line-height: 1.6; }

/* ---------------- 顶栏 ---------------- */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; background: rgba(0, 0, 0, 0.35); border-bottom: 1px solid var(--panel-line);
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.logo-small { color: var(--gold-2); font-weight: 700; letter-spacing: 2px; }
.mode-label { color: var(--muted); font-size: 13px; padding: 3px 10px; border: 1px solid var(--panel-line); border-radius: 20px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.user-chip { color: var(--ink); font-size: 14px; }
.link-btn { background: none; border: 1px solid var(--panel-line); color: var(--gold-2); padding: 5px 12px; border-radius: 8px; cursor: pointer; }
.link-btn:hover { background: rgba(231,185,79,0.12); }

/* ---------------- 牌桌 ---------------- */
.table-wrap { position: relative; max-width: 920px; margin: 18px auto; padding: 0 16px; }
.table {
  background:
    radial-gradient(ellipse at 50% 45%, #14663f 0%, #0c3c26 60%, #08291b 100%);
  border: 10px solid #5a3a1a;
  border-radius: 140px / 110px;
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.5), 0 14px 40px rgba(0, 0, 0, 0.45);
  padding: 26px 30px; display: flex; flex-direction: column; gap: 14px; min-height: 420px;
  position: relative;
}
.seat { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 10px; border-radius: 14px; transition: .2s; }
.seat.active { box-shadow: 0 0 0 2px var(--gold), 0 0 22px rgba(231, 185, 79, 0.4); background: rgba(231,185,79,0.07); }
.seat.folded { opacity: .5; filter: grayscale(0.5); }
.seat.me { margin-top: 6px; }
.seat-info { display: flex; align-items: center; gap: 10px; }
.seat-name { font-weight: 700; color: var(--gold-2); font-size: 15px; }
.looked-tag { font-size: 11px; padding: 2px 8px; border-radius: 10px; }
.looked-tag.on { background: rgba(143,240,176,0.18); color: #8ff0b0; }
.looked-tag.off { background: rgba(255,255,255,0.08); color: var(--muted); }
.seat-meta { display: flex; gap: 14px; font-size: 13px; color: var(--muted); flex-wrap: wrap; justify-content: center; }
.seat-meta .chips { color: var(--gold-2); font-weight: 600; }
.eval { color: #ffd98a; }

.cards { display: flex; gap: 10px; min-height: 96px; align-items: center; }
.card {
  width: 64px; height: 90px; border-radius: 9px; background: #fdfdfb; color: #1a1a1a;
  position: relative; box-shadow: 0 4px 10px rgba(0,0,0,0.35);
  font-weight: 700; user-select: none;
}
.card.red { color: var(--red); }
.card .c-top { position: absolute; top: 6px; left: 7px; font-size: 15px; line-height: 1; text-align: center; }
.card .c-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 30px; }
.card .c-bottom { position: absolute; bottom: 6px; right: 7px; font-size: 15px; line-height: 1; text-align: center; transform: rotate(180deg); }
.card.back {
  background: repeating-linear-gradient(45deg, #1c3b6e 0 8px, #2a4f8f 8px 16px);
  border: 2px solid #cdd8ee;
}

/* 中央信息 */
.center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; }
.pot-box {
  background: rgba(0, 0, 0, 0.4); border: 1px solid var(--panel-line); border-radius: 14px;
  padding: 10px 22px; min-width: 150px;
}
.pot-label { font-size: 12px; color: var(--muted); letter-spacing: 2px; }
.pot-value { font-size: 22px; color: var(--gold-2); font-weight: 800; }
.center-info { margin-top: 10px; display: flex; flex-direction: column; gap: 3px; }
.round-num { font-size: 13px; color: var(--ink); }
.bet { font-size: 13px; color: #ffd98a; }
.phase { font-size: 13px; color: #8ff0b0; min-height: 16px; }

/* 操作区 */
.actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 18px 0 6px; }
.act-btn {
  padding: 13px 22px; border-radius: 12px; border: none; cursor: pointer; font-size: 15px; font-weight: 700;
  color: #1a1a1a; transition: .12s; letter-spacing: 1px; box-shadow: 0 4px 0 rgba(0,0,0,0.25);
}
.act-btn:hover:not(:disabled) { transform: translateY(-2px); }
.act-btn:active:not(:disabled) { transform: translateY(1px); box-shadow: none; }
.act-btn:disabled { opacity: .5; cursor: not-allowed; }
.act-look { background: #cfe3ff; }
.act-call { background: linear-gradient(135deg, #7fe0a0, #4caf72); }
.act-raise { background: linear-gradient(135deg, var(--gold-2), #d39b1e); }
.act-fold { background: linear-gradient(135deg, #ff9aa0, #e2555c); color: #2a0000; }
.act-compare { background: linear-gradient(135deg, #b59bff, #7d5fe0); color: #1a0030; }
.thinking { color: var(--muted); font-size: 14px; padding: 10px; }

/* 日志 */
.log-panel {
  margin-top: 14px; background: rgba(0, 0, 0, 0.3); border: 1px solid var(--panel-line);
  border-radius: 12px; padding: 12px 14px; max-height: 180px; overflow: auto;
}
.log-title { font-size: 13px; color: var(--gold-2); margin-bottom: 8px; letter-spacing: 2px; }
.log-line { font-size: 12.5px; color: var(--muted); padding: 3px 0; border-bottom: 1px dashed rgba(255,255,255,0.06); }

/* 弹窗 */
.modal {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.65); display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal-box {
  width: 380px; max-width: 90vw; background: rgba(12, 36, 26, 0.97); border: 1px solid var(--gold);
  border-radius: 16px; padding: 28px; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.modal-box h2 { color: var(--gold-2); font-size: 22px; margin-bottom: 14px; }
.modal-detail { color: var(--ink); font-size: 13px; white-space: pre-wrap; line-height: 1.7; text-align: left; background: rgba(0,0,0,0.25); padding: 12px; border-radius: 10px; }
.modal-btns { margin-top: 18px; display: flex; gap: 12px; justify-content: center; }
.primary-btn { padding: 11px 22px; border: none; border-radius: 10px; cursor: pointer; background: linear-gradient(135deg, var(--gold), #c8951f); color: #2a1c00; font-weight: 700; }
.ghost-btn { padding: 11px 22px; border: 1px solid var(--panel-line); border-radius: 10px; cursor: pointer; background: none; color: var(--gold-2); }
.primary-btn:hover, .ghost-btn:hover { filter: brightness(1.08); }

@media (max-width: 620px) {
  .card { width: 52px; height: 74px; }
  .table { border-radius: 90px / 80px; padding: 18px; }
  .mode-buttons { flex-direction: column; }
}

/* ---------------- 地区选择（注册） ---------------- */
.region-fields { display: flex; flex-direction: column; gap: 6px; }
.region-label { text-align: left; font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.region-row { display: flex; gap: 10px; }
#auth-form select {
  flex: 1; padding: 12px 10px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05); color: var(--ink); font-size: 14px; outline: none; cursor: pointer;
}
#auth-form select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(231, 185, 79, 0.18); }
#auth-form select option { color: #111; }

/* ---------------- 顶栏：地区与角色 ---------------- */
.user-region { font-size: 13px; color: var(--muted); padding: 3px 10px; border: 1px solid rgba(255,255,255,0.12); border-radius: 20px; }
.role-badge { font-size: 12px; padding: 3px 10px; border-radius: 20px; background: rgba(231,185,79,0.2); color: var(--gold-2); border: 1px solid var(--panel-line); font-weight: 700; }
.admin-link { color: #2a1c00; background: linear-gradient(135deg, var(--gold), #c8951f); border: none; font-weight: 700; }
.admin-link:hover { filter: brightness(1.08); background: linear-gradient(135deg, var(--gold), #c8951f); }

/* ---------------- 管理后台 ---------------- */
.admin-body { background: radial-gradient(circle at 30% 0%, #163d2c, #08160f 80%); min-height: 100vh; }
.admin-main { max-width: 960px; margin: 22px auto; padding: 0 16px; display: flex; flex-direction: column; gap: 22px; }
.admin-card { background: rgba(10, 31, 23, 0.85); border: 1px solid var(--panel-line); border-radius: 16px; padding: 22px 24px; box-shadow: 0 14px 40px rgba(0,0,0,0.4); }
.admin-card h2 { color: var(--gold-2); font-size: 19px; margin-bottom: 14px; letter-spacing: 1px; }
.admin-card h3 { color: var(--ink); font-size: 15px; margin: 18px 0 10px; }
.admin-tip { color: var(--muted); font-size: 12.5px; margin-bottom: 14px; line-height: 1.6; }

.overview { display: flex; gap: 14px; flex-wrap: wrap; }
.ov-box { flex: 1; min-width: 130px; padding: 16px; border-radius: 12px; background: rgba(255,255,255,0.05); border: 1px solid var(--panel-line); text-align: center; }
.ov-val { font-size: 28px; font-weight: 800; color: var(--gold-2); }
.ov-label { font-size: 12px; color: var(--muted); margin-top: 4px; letter-spacing: 1px; }

.region-stats { display: flex; flex-wrap: wrap; gap: 8px; }
.region-chip { font-size: 13px; padding: 5px 12px; border-radius: 20px; background: rgba(231,185,79,0.12); border: 1px solid var(--panel-line); color: var(--ink); }
.region-empty { color: var(--muted); font-size: 13px; }

.user-table { display: flex; flex-direction: column; gap: 6px; }
.ut-row { display: grid; grid-template-columns: 1.3fr 1.3fr 1fr 0.8fr 1.4fr 1.1fr; gap: 8px; align-items: center; padding: 10px 12px; border-radius: 10px; background: rgba(255,255,255,0.04); }
.ut-head { background: rgba(231,185,79,0.1); font-weight: 700; color: var(--gold-2); font-size: 13px; }
.ut-cell { font-size: 13px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.role-tag { font-size: 12px; padding: 2px 10px; border-radius: 12px; }
.role-tag.admin { background: rgba(231,185,79,0.22); color: var(--gold-2); }
.role-tag.user { background: rgba(255,255,255,0.08); color: var(--muted); }
.role-btn { padding: 6px 12px; border: 1px solid var(--panel-line); border-radius: 8px; cursor: pointer; background: none; color: var(--gold-2); font-size: 12px; }
.role-btn:hover { background: rgba(231,185,79,0.14); }

.admin-denied { min-height: 100vh; display: flex; align-items: center; justify-content: center; font-size: 22px; color: #ff8a90; }
.admin-tip + .user-table { margin-top: 6px; }

@media (max-width: 720px) {
  .ut-row { grid-template-columns: 1fr 1fr; }
  .ut-head { display: none; }
}