:root{
  --bg: #f7fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #6b7280;
  --accent: #0ea5a4;
  --accent-600: #08928a;
  --primary: #0b5ed7;
  --warn: #f59e0b;
  --danger: #ef4444;
  --glass: rgba(255,255,255,0.6);
  --radius: 12px;
  --shadow-sm: 0 6px 18px rgba(12,15,20,0.03);
  --shadow-md: 0 10px 30px rgba(12,15,20,0.06);
  --duration: 240ms;
  --easing: cubic-bezier(.2,.9,.2,1);
  --max-width: 1400px;
  --gap: 14px;
  --icon-size: 20px;
  --muted-2: rgba(11,15,25,0.06);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,Helvetica;
  background:linear-gradient(180deg,#f3f7f9,var(--bg));
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.35;
}
.container{
  max-width:var(--max-width);
  margin:22px auto;
  padding:18px;
}

.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 8px;gap:12px}
.brand strong{font-size:18px}
.brand .small{font-size:13px;color:var(--muted)}
.nav{display:flex;align-items:center;gap:10px}

.grid, .cards-grid{display:grid;gap:var(--gap)}
.cards-grid{grid-template-columns:repeat(4,1fr)}
.grid{grid-template-columns:repeat(4,1fr)}
@media (max-width:1200px){.cards-grid,.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){.cards-grid,.grid{grid-template-columns:repeat(1,1fr)}}

.card{
  background:var(--card);
  border-radius:var(--radius);
  padding:14px;
  border:1px solid rgba(15,23,42,0.04);
  box-shadow:var(--shadow-sm);
  transition:transform var(--duration) var(--easing), box-shadow var(--duration) var(--easing);
  will-change:transform;
  overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.card-head{display:flex;gap:12px;align-items:center;margin-bottom:8px}
.icon{
  width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,rgba(14,165,164,0.08),rgba(14,165,164,0.03));
  color:var(--accent);
  font-weight:700;
}
.icon svg{width:22px;height:22px;display:block}

.small{font-size:13px}
.text-muted,.muted{color:var(--muted);font-size:13px}
.stat{font-size:18px;font-weight:700}
.title{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}

.btn{
  display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;text-decoration:none;border:1px solid transparent;background:#fff;color:var(--text);
  cursor:pointer;user-select:none;position:relative;overflow:visible;
  transition:transform var(--duration) var(--easing), box-shadow var(--duration) var(--easing);
  font-weight:600;
}
.btn svg{width:var(--icon-size);height:var(--icon-size);display:block}
.btn:active{transform:translateY(1px)}
.btn:focus{outline:2px solid rgba(14,165,164,0.12);outline-offset:2px}

.btn-ghost{background:transparent;border:1px solid transparent;color:var(--muted);font-weight:600}
.btn-primary{background:linear-gradient(180deg,var(--primary),#0a4fbf);color:#fff;border-color:rgba(11,94,215,0.12);box-shadow:var(--shadow-sm)}
.btn-accent{background:linear-gradient(180deg,var(--accent),var(--accent-600));color:#fff}
.btn-warn{background:linear-gradient(180deg,#ffefcf,var(--warn));color:#783f04}
.btn-danger{background:linear-gradient(180deg,#ffd6d6,var(--danger));color:#7a1212}

.btn-sm{padding:6px 10px;font-size:13px;border-radius:8px}

.btn--ripple{position:relative;overflow:hidden}
.btn--ripple .ripple{position:absolute;border-radius:50%;transform:scale(0);opacity:.6;pointer-events:none}
.btn--ripple .ripple.animate{transform:scale(1);transition:transform 520ms var(--easing), opacity 520ms var(--easing);opacity:0}

.btn--loading{pointer-events:none;opacity:0.8}
.btn--loading:after{
  content:'';
  display:inline-block;
  width:14px;height:14px;margin-left:6px;border-radius:50%;
  border:2px solid rgba(0,0,0,0.08);
  border-top-color:rgba(0,0,0,0.35);
  animation:spin 800ms linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#ecfdf5;color:#065f46;font-weight:700;font-size:13px}
.badge.pending{background:#fff4e6;color:#92400e}

.table-container{overflow:auto;border-radius:10px}
.table{width:100%;border-collapse:collapse;min-width:900px;background:linear-gradient(180deg,#fff,#fcfeff)}
.table th,.table td{padding:10px 12px;border-bottom:1px solid #eef6fb;text-align:left;vertical-align:middle;white-space:nowrap}
.table thead th{font-weight:700;color:var(--text);position:sticky;top:0;background:linear-gradient(180deg,#fff,#fbfeff);z-index:1}

.filters{padding:12px}
.filters-row{display:flex;gap:12px;align-items:end;flex-wrap:wrap}
.field{display:flex;flex-direction:column;gap:6px}
.field input,.field select{padding:8px;border-radius:8px;border:1px solid #e6eef0;background:transparent}

.row{display:flex;gap:10px;align-items:center}
.actions{display:flex;gap:8px}
.mt-12{margin-top:12px}

.animate-on-scroll{transform:translateY(8px);opacity:0;transition:transform 420ms var(--easing), opacity 420ms var(--easing)}
.animate-on-scroll.in-view{transform:none;opacity:1}

.count-up{font-variant-numeric:tabular-nums;}

.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap;border:0;padding:0;margin:-1px}

.input, input.input, textarea.input, select.input{
  width:100%;
  padding:10px 12px;
  border-radius:8px;
  border:1px solid #e6eef0;
  background:linear-gradient(180deg,#fff,#fcfeff);
  color:var(--text);
  font-size:14px;
  transition:box-shadow 160ms var(--easing), border-color 160ms var(--easing);
}
.input:focus, input.input:focus, textarea.input:focus, select.input:focus{
  outline:none;
  box-shadow:0 6px 18px rgba(11,94,215,0.06);
  border-color:rgba(11,94,215,0.12);
}

.input-sm{padding:8px 10px;border-radius:8px;border:1px solid #e6eef0;background:#fff;font-size:14px}

.toast{
  display:inline-block;padding:10px 14px;border-radius:10px;background:#ffffff;color:var(--text);box-shadow:0 6px 18px rgba(2,6,23,0.06);border-left:4px solid rgba(0,0,0,0.06);opacity:0;transform:translateY(-8px);transition:opacity 320ms var(--easing), transform 320ms var(--easing);max-width:320px}
.toast.visible{opacity:1;transform:none}
.toast-success{background:#ecfdf5;border-left-color:var(--accent);color:#064e3b}
.toast-error{background:#fff5f5;border-left-color:var(--danger);color:#7a1212}

.ripple{position:absolute;border-radius:50%;transform:scale(0);opacity:.6;pointer-events:none}
.toast .close{margin-left:8px;cursor:pointer;color:inherit}

@media (max-width:1100px){
  .topbar{flex-direction:column;align-items:flex-start;gap:8px}
  .nav{width:100%;display:flex;flex-wrap:wrap;gap:8px}
  .filters-row{align-items:stretch}
}
/* --- Tous tes styles existants --- */

/* Styles spécifiques pour list_factures_clients */
.filters-list-clients {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 12px;
}
.filters-list-clients .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1; /* pour que tous les champs se partagent l'espace */
}

/* Responsive : <1200px, les filtres passent en colonne */
@media (max-width: 1200px) {
  .filters-list-clients {
    flex-direction: column;
    align-items: stretch;
  }
}