:root {
  --green: #1D9E75;
  --red: #E24B4A;
  --amber: #BA7517;
  --bg-primary: #ffffff;
  --bg-secondary: #f5f6f8;
  --text-primary: #1a1d21;
  --text-secondary: #6b7280;
  --border: #e6e8eb;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
}

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

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

/* ---- Topbar / tabs ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--green); }
.brand-name { font-size: 14px; }

.tabs { display: flex; gap: 4px; background: var(--bg-primary); padding: 4px; border-radius: 10px; box-shadow: var(--shadow); }
.tab {
  border: none; background: transparent; cursor: pointer;
  padding: 7px 14px; border-radius: 7px; font-size: 13px; font-weight: 500;
  color: var(--text-secondary); transition: background .15s, color .15s;
}

/* ---- Login screen ---- */
.login-screen {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-secondary); padding: 16px;
}
.login-card {
  background: var(--bg-primary); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px; width: 100%; max-width: 320px;
  display: flex; flex-direction: column; gap: 14px;
}
.login-card .brand { margin-bottom: 4px; }
.login-card label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-secondary); font-weight: 600; margin-bottom: 4px; }
.login-card input {
  width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: var(--bg-primary);
}
.login-card input:focus { outline: none; border-color: var(--green); }
.login-card .btn { width: 100%; text-align: center; margin-top: 0; }
.login-error { color: var(--red); font-size: 12px; text-align: center; }
.login-card-wide { max-width: 360px; }
.login-step { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-secondary); font-weight: 600; text-align: center; }
.login-help { font-size: 12px; color: var(--text-secondary); line-height: 1.5; margin: 0; }
.login-link { font-size: 12px; color: var(--text-secondary); text-align: center; text-decoration: none; }
.login-link:hover { color: var(--text-primary); }
.qr-box { display: flex; justify-content: center; }
.qr-box img { border: 1px solid var(--border); border-radius: 8px; background: #fff; }
.manual-key { font-size: 12px; color: var(--text-secondary); text-align: center; word-break: break-all; }
.manual-key code { font-size: 12px; color: var(--text-primary); background: var(--bg-secondary); padding: 2px 6px; border-radius: 6px; }
.settings-actions { display: flex; gap: 8px; }
.settings-msg { font-size: 12px; color: var(--red); }
.settings-msg.ok { color: var(--green); }
.tab.is-active { background: var(--bg-secondary); color: var(--text-primary); }

/* ---- Cards ---- */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }

.label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-secondary); font-weight: 600;
}
.muted { color: var(--text-secondary); font-size: 12px; }

/* ---- Panels ---- */
.panel { display: none; }
.panel.is-active { display: block; }

/* ---- Hero + KPIs (F1/F2) ---- */
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.hero-card { display: flex; flex-direction: column; }
.hero-value { font-size: 32px; font-weight: 500; margin-top: 6px; letter-spacing: -0.02em; }
.hero-delta { font-size: 13px; font-weight: 500; margin-top: 2px; min-height: 18px; }
.hero-delta.pos { color: var(--green); }
.hero-delta.neg { color: var(--red); }
.hero-sub { font-size: 11px; color: var(--text-secondary); margin-top: 8px; }
.hero-input { margin-top: auto; padding-top: 12px; }
.hero-input label { display: block; font-size: 11px; color: var(--text-secondary); margin-bottom: 4px; }
.hero-input input {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; font-family: inherit; background: var(--bg-primary);
}
.hero-input input:focus { outline: none; border-color: var(--green); }

.kpi-card { display: flex; flex-direction: column; }
.kpi-value { font-size: 20px; font-weight: 500; margin-top: 6px; }
.kpi-value.pos { color: var(--green); }
.kpi-value.neg { color: var(--red); }
.kpi-sub { font-size: 11px; color: var(--text-secondary); margin-top: 6px; }

/* ---- Charts ---- */
.chart-wrap { position: relative; width: 100%; }
.chart-line { height: 160px; }
.chart-bar { height: 140px; }
.stats-row { display: flex; gap: 24px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.stats-row > div { display: flex; flex-direction: column; gap: 2px; }
.stats-row span:last-child { font-size: 15px; font-weight: 500; }

.range-toggle { display: flex; gap: 2px; background: var(--bg-secondary); border-radius: 7px; padding: 2px; }
.range-toggle button {
  border: none; background: transparent; cursor: pointer; padding: 4px 10px;
  border-radius: 5px; font-size: 11px; color: var(--text-secondary); font-weight: 600;
}
.range-toggle button.is-active { background: var(--bg-primary); color: var(--text-primary); box-shadow: var(--shadow); }

/* ---- Écart banner (F6) ---- */
.ecart-banner {
  border-radius: var(--radius); padding: 12px 16px; margin-bottom: 14px;
  font-size: 13px; font-weight: 500; display: flex; align-items: center; gap: 8px;
}
.ecart-banner.ok { background: rgba(29,158,117,.1); color: var(--green); }
.ecart-banner.err { background: rgba(226,75,74,.1); color: var(--red); }
.ecart-banner.warn { background: rgba(186,117,23,.1); color: var(--amber); }
.ecart-banner small { font-weight: 400; opacity: .85; }

/* ---- Filters ---- */
.filters { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.filters input, .filters select {
  padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 12px; font-family: inherit; background: var(--bg-primary);
}
.filters input { flex: 1; min-width: 140px; }
.filters input:focus, .filters select:focus { outline: none; border-color: var(--green); }

/* ---- Table (F5) ---- */
.table-wrap { max-height: 400px; overflow-y: auto; border-radius: 8px; }
.tx-table { width: 100%; border-collapse: collapse; }
.tx-table th {
  position: sticky; top: 0; background: var(--bg-primary); z-index: 1;
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-secondary); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border);
}
.tx-table th.r, .tx-table td.r { text-align: right; }
.tx-table td { padding: 9px 10px; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: middle; }
.tx-table tbody tr:hover { background: var(--bg-secondary); }
.amount.pos { color: var(--green); font-weight: 500; }
.amount.neg { color: var(--red); font-weight: 500; }

.dir-icon { display: inline-flex; width: 18px; height: 18px; align-items: center; justify-content: center; border-radius: 50%; font-size: 11px; }
.dir-icon.in { background: rgba(29,158,117,.12); color: var(--green); }
.dir-icon.out { background: rgba(226,75,74,.12); color: var(--red); }

.cat-badge {
  display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 500;
  white-space: nowrap;
}

.editable input {
  width: 100%; border: 1px solid transparent; background: transparent; font-family: inherit;
  font-size: 13px; padding: 4px 6px; border-radius: 6px; color: inherit;
}
.editable input:focus { outline: none; border-color: var(--green); background: var(--bg-primary); }
.editable input.r { text-align: right; }
.row-del { border: none; background: transparent; color: var(--text-secondary); cursor: pointer; font-size: 16px; padding: 0 4px; }
.row-del:hover { color: var(--red); }

.empty { padding: 24px; text-align: center; color: var(--text-secondary); }

/* ---- Dropzone (F8) ---- */
.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 28px; text-align: center; transition: border-color .15s, background .15s;
}
.dropzone.drag { border-color: var(--green); background: rgba(29,158,117,.05); }
.dropzone p { margin: 4px 0; }

.btn {
  display: inline-block; cursor: pointer; padding: 8px 16px; border-radius: 8px;
  border: none; background: var(--green); color: #fff; font-size: 13px; font-weight: 500;
  font-family: inherit; margin-top: 8px;
}
.btn-ghost { background: var(--bg-secondary); color: var(--text-primary); }
.btn-danger { color: var(--red); }

.import-feedback { margin-top: 12px; padding: 10px 14px; border-radius: 8px; font-size: 13px; background: rgba(29,158,117,.1); color: var(--green); }

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .hero-grid { grid-template-columns: 1fr; }
  .tabs { width: 100%; }
  .tab { flex: 1; }
  .stats-row { gap: 16px; }
}