:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --border: #e3e8ef;
  --text: #1f2933;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #d97706;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.hidden { display: none !important; }

/* ---------- Login ---------- */
#login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--card);
  padding: 32px 28px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  width: 360px;
}
.login-card h1 { margin: 0 0 4px; font-size: 20px; text-align: center; }
.login-card .subtitle { text-align: center; color: var(--muted); margin: 0 0 24px; }
.login-card label { display: block; margin-bottom: 14px; font-weight: 500; }
.login-card input {
  width: 100%;
  padding: 10px 12px;
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}

/* ---------- Header / tabs ---------- */
.app-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 58px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo { font-weight: 700; font-size: 16px; }
.tabs { display: flex; gap: 4px; }
.tab {
  background: none;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
}
.tab:hover { background: var(--bg); }
.tab.active { background: #eef2ff; color: var(--primary); font-weight: 600; }
.header-right { display: flex; align-items: center; gap: 10px; }
.whoami { color: var(--muted); }

.content { max-width: 1200px; margin: 24px auto; padding: 0 20px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Components ---------- */
.btn {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: #fecaca; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 6px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.toolbar { margin-bottom: 16px; }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 20px;
}
.panel h3 { margin-top: 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.card .acct-name { font-weight: 600; }
.card .acct-no { color: var(--muted); font-size: 12px; }
.card .balance { font-size: 28px; font-weight: 700; margin: 12px 0 4px; }
.card .meta { color: var(--muted); font-size: 12px; }
.card .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot.ok { background: var(--ok); }
.dot.err { background: var(--danger); }
.dot.idle { background: var(--muted); }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: #fafbfc; color: var(--muted); font-weight: 600; font-size: 13px; }
tr:last-child td { border-bottom: none; }

.badge { padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.pending { background: #fef3c7; color: var(--warn); }
.badge.executed, .badge.ok { background: #dcfce7; color: var(--ok); }
.badge.cancelled { background: #e5e7eb; color: var(--muted); }
.badge.failed, .badge.error { background: #fee2e2; color: var(--danger); }
.badge.success { background: #dcfce7; color: var(--ok); }

.error { color: var(--danger); font-size: 13px; }
.muted { color: var(--muted); }
.mt { margin-top: 14px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

form.mt input {
  display: block;
  padding: 8px 12px;
  margin-bottom: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 100%;
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-card {
  background: var(--card);
  padding: 24px;
  border-radius: 12px;
  width: 440px;
  max-width: 90vw;
}
.modal-card h3 { margin-top: 0; }
.modal-fields label, #modal-fields label { display: block; margin-bottom: 12px; font-weight: 500; }
#modal-fields input, #modal-fields select {
  width: 100%;
  padding: 8px 12px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

.flash {
  position: fixed;
  top: 14px;
  right: 14px;
  padding: 12px 16px;
  border-radius: 8px;
  color: #fff;
  font-weight: 500;
  z-index: 200;
  box-shadow: var(--shadow);
}
.flash.success { background: var(--ok); }
.flash.error { background: var(--danger); }

@media (max-width: 800px) {
  .grid-2 { grid-template-columns: 1fr; }
  .app-header { flex-wrap: wrap; height: auto; padding: 8px; }
  .tabs { order: 3; width: 100%; overflow-x: auto; }
}