:root {
  --bg: #0b0f1a;
  --panel: #121829;
  --panel-2: #161f36;
  --border: #253153;
  --text: #e8ecf7;
  --text-dim: #9aa5c4;
  --accent: #5b8cff;
  --accent-2: #38d9b9;
  --danger: #ef4444;
  --warn: #f59e0b;
  --radius: 10px;
  font-family: -apple-system, 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
}

a { color: var(--accent); text-decoration: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--accent);
  color: white;
  transition: filter 0.15s, transform 0.05s;
}
button:hover { filter: brightness(1.1); }
button:active { transform: scale(0.98); }
button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--danger); }
button.ghost { background: transparent; color: var(--accent); padding: 6px 10px; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

input, select, textarea {
  font-family: inherit;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); }

label { font-size: 13px; color: var(--text-dim); display: block; margin-bottom: 6px; }
.field { margin-bottom: 14px; }

/* ---------- Landing page ---------- */
.landing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 6vw;
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; }
.brand .logo-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 12px var(--accent-2); }

.hero {
  padding: 90px 6vw 60px;
  text-align: center;
  background: radial-gradient(circle at 50% -10%, rgba(91,140,255,0.25), transparent 60%);
}
.hero h1 { font-size: 48px; line-height: 1.1; margin: 0 0 18px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 18px; color: var(--text-dim); max-width: 640px; margin: 0 auto 32px; }
.hero .cta-row { display: flex; gap: 14px; justify-content: center; }
.hero .cta-row button, .hero .cta-row a button { font-size: 16px; padding: 14px 26px; }

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(245, 158, 11, 0.15);
  color: var(--warn);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  padding: 40px 6vw 90px;
  max-width: 1100px;
  margin: 0 auto;
}
.feature-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.feature-card .icon { font-size: 28px; margin-bottom: 12px; }
.feature-card h3 { margin: 0 0 8px; font-size: 16px; }
.feature-card p { margin: 0; color: var(--text-dim); font-size: 14px; line-height: 1.5; }

.disclaimer-banner {
  max-width: 1100px;
  margin: 0 auto 60px;
  padding: 16px 20px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius);
  color: #fca5a5;
  font-size: 13px;
  text-align: center;
}

footer.landing-footer {
  text-align: center;
  padding: 30px;
  color: var(--text-dim);
  font-size: 12px;
  border-top: 1px solid var(--border);
}

/* ---------- App shell ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar .brand { margin-bottom: 20px; font-size: 16px; }
.sidebar nav button {
  background: transparent;
  color: var(--text-dim);
  text-align: left;
  width: 100%;
  font-weight: 500;
  padding: 10px 12px;
  border-radius: 8px;
}
.sidebar nav button.active { background: var(--panel-2); color: var(--text); }
.sidebar .business-picker { margin-bottom: 18px; }
.sidebar .spacer { flex: 1; }

.main {
  flex: 1;
  padding: 32px 40px;
  max-width: 1100px;
  position: relative;
}

.draft-watermark {
  position: fixed;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%) rotate(-25deg);
  font-size: 100px;
  font-weight: 900;
  color: rgba(239, 68, 68, 0.04);
  z-index: 0;
  pointer-events: none;
  white-space: nowrap;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.topbar h1 { margin: 0; font-size: 22px; }
.topbar .user-email { color: var(--text-dim); font-size: 13px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}
.panel h2 { margin-top: 0; font-size: 16px; }

.auth-card {
  max-width: 400px;
  margin: 80px auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.auth-card h1 { font-size: 20px; margin-top: 0; text-align: center; }
.auth-card .switch { text-align: center; margin-top: 16px; font-size: 13px; color: var(--text-dim); }
.error-msg { color: var(--danger); font-size: 13px; margin-top: 8px; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th {
  text-align: left;
  color: var(--text-dim);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
table.data-table td { padding: 10px; border-bottom: 1px solid var(--border); }
table.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.amount-debit { color: #fca5a5; }
.amount-credit { color: #86efac; }

.pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}
.pill.needs_review { background: rgba(245,158,11,0.15); color: var(--warn); }
.pill.accepted { background: rgba(56,217,185,0.15); color: var(--accent-2); }

.account-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  background: var(--panel-2);
}
.account-card .meta { color: var(--text-dim); font-size: 12px; }

.inline-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { margin-bottom: 0; min-width: 160px; }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 13px;
  z-index: 100;
}
.toast.error { border-color: var(--danger); color: #fca5a5; }
.toast.success { border-color: var(--accent-2); color: var(--accent-2); }

.report-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.report-number { font-size: 26px; font-weight: 800; margin: 6px 0; }
.report-number.negative { color: var(--danger); }
.report-number.positive { color: var(--accent-2); }

.muted { color: var(--text-dim); font-size: 13px; }
.empty-state { text-align: center; padding: 40px; color: var(--text-dim); }

.disclaimer-strip {
  font-size: 12px;
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 20px;
}

.tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.tabs button { background: var(--panel); color: var(--text-dim); border: 1px solid var(--border); }
.tabs button.active { background: var(--accent); color: white; border-color: var(--accent); }

.confidence-bar {
  width: 60px;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}
.confidence-bar > div { height: 100%; background: var(--accent-2); }

.channel-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px; font-size: 13px; cursor: pointer; }
.coverage-warn { margin-top: 12px; padding: 12px 14px; background: #fff7ed; border: 1px solid #ea580c; color: #9a3412; border-radius: 8px; font-size: 13px; }
#period-picker-panel .tabs { margin-bottom: 4px; }