/* ============================================================
   businessplan-pro — Styles (vanilla, pas de framework)
   ============================================================ */
:root {
  --bg: #0f1419;
  --bg-2: #161c24;
  --card: #1c242e;
  --card-2: #222c38;
  --border: #2c3744;
  --text: #e6edf3;
  --text-dim: #8b98a8;
  --accent: #3b82f6;
  --accent-2: #1d4ed8;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --radius: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.hidden { display: none !important; }
h1, h2, h3 { margin: 0; }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 30%, #18202b, var(--bg));
}
.login-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 32px; width: 320px; display: flex; flex-direction: column; gap: 14px;
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
}
.login-card h1 { font-size: 22px; text-align: center; }
.login-sub { text-align: center; color: var(--text-dim); margin: -6px 0 6px; }
.login-card input, .login-card button { padding: 11px 12px; border-radius: 8px; font-size: 14px; }
.login-card input { background: var(--bg-2); border: 1px solid var(--border); color: var(--text); }
.login-card button { background: var(--accent); border: none; color: #fff; cursor: pointer; font-weight: 600; }
.login-card button:hover { background: var(--accent-2); }

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 0 24px; height: 56px;
  background: var(--bg-2); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 16px; }
.tabs { display: flex; gap: 4px; flex: 1; }
.tab-btn {
  background: transparent; border: none; color: var(--text-dim);
  padding: 8px 16px; border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 500;
}
.tab-btn:hover { color: var(--text); background: var(--card); }
.tab-btn.active { color: #fff; background: var(--accent); }
.ghost-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.ghost-btn:hover { color: var(--text); border-color: var(--text-dim); }

/* ---------- Content ---------- */
.content { padding: 24px; max-width: 1200px; margin: 0 auto; }
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.primary-btn {
  background: var(--accent); border: none; color: #fff; padding: 9px 16px;
  border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 13px;
}
.primary-btn:hover { background: var(--accent-2); }

/* ---------- KPI ---------- */
.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px; margin-bottom: 24px;
}
.kpi-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 8px;
}
.kpi-card.accent { border-color: var(--accent); background: linear-gradient(135deg, #1c2a44, var(--card)); }
.kpi-label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.kpi-value { font-size: 24px; font-weight: 700; }

/* ---------- Charts ---------- */
.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px;
}
.chart-card h3 { font-size: 14px; margin-bottom: 12px; color: var(--text-dim); }
.chart-card:last-child { grid-column: 1 / -1; max-width: 420px; }
.chart-card canvas { max-height: 280px; }

/* ---------- Filters ---------- */
.filters { display: flex; gap: 16px; margin-bottom: 16px; }
.filters label, .form-grid label, .solde-init-row label {
  display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--text-dim);
}
select, input, textarea {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 10px; border-radius: 8px; font-size: 14px; font-family: inherit;
}
select:focus, input:focus, textarea:focus { outline: none; border-color: var(--accent); }

/* ---------- Tables ---------- */
.table-wrap {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left; padding: 12px 14px; font-size: 12px; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: .4px; border-bottom: 1px solid var(--border);
}
tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--card-2); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.pos { color: var(--green); }
.neg { color: var(--red); }

/* Badges statut */
.badge { padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.en_stock { background: #1e3a5f; color: #7db3f0; }
.badge.reserve { background: #4a3a12; color: var(--amber); }
.badge.vendu { background: #16361f; color: var(--green); }

.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.icon-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
  padding: 4px 9px; border-radius: 6px; cursor: pointer; font-size: 12px;
}
.icon-btn:hover { color: var(--text); border-color: var(--text-dim); }
.icon-btn.danger:hover { color: var(--red); border-color: var(--red); }

.empty-msg, .error-msg { color: var(--text-dim); padding: 16px; }
.error-msg { color: var(--red); }

/* ---------- Trésorerie ---------- */
.treso-hero {
  background: linear-gradient(135deg, #16321f, var(--card));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; margin-bottom: 24px; display: flex; flex-direction: column; gap: 8px;
}
.treso-label { color: var(--text-dim); text-transform: uppercase; font-size: 13px; letter-spacing: .5px; }
.treso-big { font-size: 44px; font-weight: 800; }
.treso-cols { display: grid; grid-template-columns: 1fr 1.3fr; gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card h3 { font-size: 15px; margin-bottom: 14px; }
.detail-table td { padding: 8px 0; border-bottom: 1px solid var(--border); }
.detail-table td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.detail-table tr.total td { font-weight: 700; border-bottom: none; padding-top: 12px; }
.solde-init-row { display: flex; gap: 10px; align-items: flex-end; margin-top: 18px; }
.solde-init-row label { flex: 1; }

/* ---------- Modale ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px;
  z-index: 100; overflow-y: auto;
}
.modal {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; width: 100%; max-width: 640px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.modal h3 { margin-bottom: 18px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid label.full { grid-column: 1 / -1; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

@media (max-width: 760px) {
  .charts-grid, .treso-cols, .form-grid { grid-template-columns: 1fr; }
  .topbar { gap: 12px; padding: 0 12px; }
  .tab-btn { padding: 8px 10px; }
}