:root {
  --bg: #0f1311;
  --bg-soft: #161b18;
  --card: #1b211d;
  --card-hover: #222a25;
  --line: #2b332d;
  --text: #eef2ee;
  --muted: #93a097;
  --gold: #c9a86a;
  --gold-soft: #e2c993;
  --green: #5fbf8f;
  --amber: #e0b352;
  --red: #e07a6a;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(0,0,0,.35);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, #1c241f 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea {
  font-family: inherit;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 13px;
  font-size: 15px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--gold); }
label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 6px; }

.brand {
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--gold-soft);
  font-size: 18px;
}
.brand-tag {
  font-size: 11px; letter-spacing: .15em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line); padding: 3px 8px; border-radius: 99px;
}

/* --- Login --- */
.login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px;
}
.login-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 32px; width: 100%; max-width: 360px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 14px; text-align: center;
}
.login-card .brand { font-size: 24px; }
.login-sub { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.login-card button {
  background: var(--gold); color: #1a1a1a; border: none; border-radius: 10px;
  padding: 12px; font-weight: 600; font-size: 15px;
}
.login-error { color: var(--red); font-size: 13px; min-height: 16px; }

/* --- Topbar --- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(15,19,17,.85); backdrop-filter: blur(10px); z-index: 10;
}
.brand-row { display: flex; align-items: center; gap: 12px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.btn-primary {
  background: var(--gold); color: #1a1a1a; border: none; border-radius: 10px;
  padding: 10px 16px; font-weight: 600; font-size: 14px;
}
.btn-primary:hover { background: var(--gold-soft); }
.btn-ghost {
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 12px; font-size: 15px;
}
.btn-ghost:hover { color: var(--text); border-color: var(--gold); }
.btn-ghost-gold {
  background: transparent; color: var(--gold-soft); border: 1px solid var(--gold);
  border-radius: 10px; padding: 10px 14px; font-weight: 600; font-size: 14px;
}
.btn-ghost-gold:hover { background: rgba(201,168,106,.12); }

/* --- Inventaire villas --- */
.recap-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin-bottom: 18px;
}
.inv-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px;
}
.inv-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; cursor: pointer; transition: .15s; display: flex; flex-direction: column; gap: 14px;
}
.inv-card:hover { background: var(--card-hover); border-color: var(--gold); transform: translateY(-2px); }
.inv-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.inv-name { font-size: 16px; font-weight: 600; }
.inv-type { font-size: 12px; color: var(--muted); margin-top: 2px; }
.inv-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.inv-price { font-size: 15px; font-weight: 700; color: var(--gold-soft); }
.inv-client { font-size: 12px; color: var(--muted); }
.tag.sold { background: rgba(201,168,106,.16); color: var(--gold-soft); }

/* --- Overview --- */
.overview {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px; padding: 24px;
}
.kpi {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px;
}
.kpi-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.kpi-value { font-size: 24px; font-weight: 700; margin-top: 6px; }
.kpi-value.gold { color: var(--gold-soft); }
.kpi-value.green { color: var(--green); }
.kpi-value.amber { color: var(--amber); }

/* --- Clients --- */
.clients-section { padding: 0 24px 60px; }
.clients-section h2 { font-size: 16px; font-weight: 600; color: var(--muted); margin: 8px 0 16px; }
.clients-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px;
}
.client-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; cursor: pointer; transition: .15s; display: flex; flex-direction: column; gap: 12px;
}
.client-card:hover { background: var(--card-hover); border-color: var(--gold); transform: translateY(-2px); }
.client-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.client-name { font-size: 17px; font-weight: 600; }
.client-unit { font-size: 13px; color: var(--muted); margin-top: 2px; }
.client-price { font-size: 14px; color: var(--gold-soft); font-weight: 600; white-space: nowrap; }
.client-meta { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.client-meta b { color: var(--text); font-weight: 600; }

/* --- Progress bars --- */
.bar { height: 8px; background: var(--bg-soft); border-radius: 99px; overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 99px; background: var(--gold); transition: width .4s; }
.bar.green > span { background: var(--green); }
.bar.amber > span { background: var(--amber); }
.bar-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.bar-row b { color: var(--text); }

.empty { color: var(--muted); text-align: center; padding: 40px; font-size: 15px; }

/* --- Drawer (détail client) --- */
.drawer, .modal { position: fixed; inset: 0; z-index: 50; }
.drawer-backdrop, .modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.55); }
.drawer-panel {
  position: absolute; top: 0; right: 0; height: 100%; width: min(560px, 100%);
  background: var(--bg); border-left: 1px solid var(--line); box-shadow: var(--shadow);
  overflow-y: auto; padding: 26px; animation: slidein .25s ease;
}
@keyframes slidein { from { transform: translateX(40px); opacity: .6; } to { transform: none; opacity: 1; } }

.drawer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 8px; }
.drawer h2 { margin: 0; font-size: 22px; }
.drawer .sub { color: var(--muted); font-size: 14px; margin-top: 2px; }
.close-x {
  background: transparent; border: 1px solid var(--line); color: var(--muted);
  border-radius: 8px; padding: 6px 11px; font-size: 16px;
}
.close-x:hover { color: var(--text); border-color: var(--gold); }

.section-block { margin-top: 26px; }
.section-block h3 {
  font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted);
  margin: 0 0 12px; display: flex; justify-content: space-between; align-items: center;
}
.mini-add {
  background: transparent; color: var(--gold-soft); border: 1px solid var(--line);
  border-radius: 8px; padding: 4px 10px; font-size: 12px; text-transform: none; letter-spacing: 0;
}
.mini-add:hover { border-color: var(--gold); }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 13px;
}
.stat .l { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.stat .v { font-size: 17px; font-weight: 700; margin-top: 4px; }

/* listes étapes / paiements */
.row-item {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; margin-bottom: 8px;
}
.row-item .ri-main { min-width: 0; }
.row-item .ri-label { font-weight: 600; font-size: 14px; }
.row-item .ri-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.row-item .ri-amount { font-weight: 700; white-space: nowrap; }
.row-item .ri-del {
  background: transparent; border: none; color: var(--muted); font-size: 15px; padding: 4px 6px;
}
.row-item .ri-del:hover { color: var(--red); }

.tag { font-size: 11px; padding: 3px 9px; border-radius: 99px; font-weight: 600; white-space: nowrap; }
.tag.paid { background: rgba(95,191,143,.15); color: var(--green); }
.tag.partial { background: rgba(224,179,82,.15); color: var(--amber); }
.tag.overdue { background: rgba(224,122,106,.15); color: var(--red); }
.tag.pending { background: rgba(147,160,151,.15); color: var(--muted); }

/* --- Modale formulaire --- */
.modal-card {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; width: min(460px, 92vw); max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow);
}
.modal-card h3 { margin: 0 0 18px; font-size: 18px; }
.field { margin-bottom: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-actions { display: flex; gap: 10px; margin-top: 22px; }
.modal-actions button { flex: 1; padding: 12px; border-radius: 10px; font-weight: 600; font-size: 15px; border: none; }
.btn-save { background: var(--gold); color: #1a1a1a; }
.btn-save:hover { background: var(--gold-soft); }
.btn-cancel { background: transparent; color: var(--muted); border: 1px solid var(--line) !important; }
.btn-cancel:hover { color: var(--text); }
.btn-delete { background: rgba(224,122,106,.12); color: var(--red); }

.drawer-actions { margin-top: 30px; display: flex; gap: 10px; }
.drawer-actions button { flex: 1; padding: 11px; border-radius: 10px; font-weight: 600; border: 1px solid var(--line); background: transparent; color: var(--muted); }
.drawer-actions .edit { color: var(--gold-soft); }
.drawer-actions .edit:hover { border-color: var(--gold); }
.drawer-actions .del:hover { color: var(--red); border-color: var(--red); }

@media (max-width: 560px) {
  .overview { padding: 16px; }
  .clients-section { padding: 0 16px 50px; }
  .drawer-panel { padding: 20px; }
  .stat-grid { grid-template-columns: 1fr; }
}