/* ============================================================
   VidaPOS — Feuille de styles principale
   Design : tactile, lisible, professionnel
   ============================================================ */

:root {
  --green-dark:   #1b4332;
  --green:        #2d6a4f;
  --green-light:  #40916c;
  --green-pale:   #d8f3dc;
  --accent:       #f4a261;
  --accent-dark:  #e76f51;
  --bg:           #f8f9fa;
  --surface:      #ffffff;
  --surface2:     #f1f3f5;
  --border:       #dee2e6;
  --text:         #212529;
  --text-muted:   #6c757d;
  --danger:       #e63946;
  --warning:      #ffc107;
  --info:         #4361ee;
  --radius:       10px;
  --shadow:       0 2px 8px rgba(0,0,0,.10);
  --shadow-lg:    0 8px 24px rgba(0,0,0,.15);
}

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

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  transition: background .15s, transform .1s, opacity .15s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
button:active { transform: scale(0.97); }
button:disabled { opacity: .5; cursor: not-allowed; }

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: .5rem .75rem;
  outline: none;
  transition: border-color .2s;
}
input:focus, select:focus { border-color: var(--green-light); }

/* ---- Login ---- */
#screen-login {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
}
.login-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 2.5rem;
  width: 360px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.login-card h1 {
  font-size: 2rem;
  color: var(--green-dark);
  text-align: center;
  font-weight: 700;
  letter-spacing: -1px;
}
.login-card .subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: .9rem;
  margin-top: -.75rem;
}
.login-card input { width: 100%; padding: .75rem 1rem; font-size: 1.05rem; }
.login-card .btn-primary { width: 100%; padding: .85rem; font-size: 1.1rem; }
.login-error { color: var(--danger); font-size: .9rem; text-align: center; display: none; }
.pw-input-wrap { position: relative; width: 100%; }
.pw-input-wrap input { padding-right: 2.75rem; width: 100%; }
.pw-eye-btn { position: absolute; right: .6rem; top: 50%; transform: translateY(-50%); background: none; border: none; font-size: 1.1rem; color: var(--text-muted); padding: .25rem; border-radius: 4px; line-height: 1; }
.pw-eye-btn:active { transform: translateY(-50%) scale(.92); }
.forgot-pw-link { display: block; text-align: center; color: var(--green); font-size: .85rem; cursor: pointer; text-decoration: none; background: none; border: none; font-family: inherit; padding: 0; }
.forgot-pw-link:hover { text-decoration: underline; }
#forgot-pw-modal input { width: 100%; padding: .75rem 1rem; font-size: 1.05rem; }

/* ---- Layout principal ---- */
#screen-pos {
  display: grid;
  grid-template-rows: 52px 1fr;
  grid-template-columns: 130px 1fr 380px;
  height: 100vh;
  gap: 0;
}

/* Topbar */
#topbar {
  grid-column: 1 / -1;
  background: var(--green-dark);
  color: white;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 1rem;
  font-size: .9rem;
}
#topbar .logo { font-weight: 700; font-size: 1.1rem; letter-spacing: -0.5px; margin-right: .5rem; }
#topbar .store-name { opacity: .75; }
#topbar .spacer { flex: 1; }
#topbar .user-info { opacity: .85; font-size: .85rem; }
#status-indicator {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .8rem;
}
#status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--warning);
  flex-shrink: 0;
}
#status-dot.online { background: #51cf66; }
#status-dot.offline { background: var(--danger); }

.topbar-btn {
  background: rgba(255,255,255,.15);
  color: white;
  padding: .35rem .75rem;
  font-size: .82rem;
  border-radius: 6px;
}
.topbar-btn:hover { background: rgba(255,255,255,.25); }

/* ---- Sidebar catégories ---- */
#category-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: .4rem 0;
}
.cat-header {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: .4rem .75rem .2rem;
  letter-spacing: .5px;
}
.cat-item {
  padding: .55rem .75rem;
  font-size: .85rem;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background .12s;
  line-height: 1.2;
  user-select: none;
}
.cat-item:hover { background: var(--surface2); }
.cat-item.active {
  background: var(--green-pale);
  border-left-color: var(--green);
  color: var(--green-dark);
  font-weight: 600;
}
.cat-services {
  margin-top: auto;
  border-top: 1px solid var(--border);
  color: var(--accent-dark);
  font-weight: 600;
}
.cat-services.active {
  background: #fff0e6;
  border-left-color: var(--accent);
  color: var(--accent-dark);
}

/* ---- Zone produits ---- */
#products-area {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--surface2);
}

#products-toolbar {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .6rem .75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
#search-product {
  flex: 1;
  font-size: .95rem;
  padding: .55rem .8rem;
}
#category-filter {
  font-size: .85rem;
  padding: .55rem .6rem;
  max-width: 140px;
}

#products-grid {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: .6rem;
  padding: .75rem;
  align-content: start;
}

.product-btn {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: .55rem .6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: .15rem;
  text-align: center;
  height: 130px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.product-btn:hover { border-color: var(--green-light); background: var(--green-pale); }
.product-btn:active { transform: scale(0.96); }
.product-btn .pname {
  font-size: .82rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}
.product-btn .pprice {
  font-size: 1rem;
  font-weight: 700;
  color: var(--green-dark);
}
.product-btn .ptva {
  font-size: .7rem;
  color: var(--text-muted);
}
.product-btn .pcategory {
  font-size: .68rem;
  color: var(--text-muted);
  background: var(--surface2);
  padding: .1rem .4rem;
  border-radius: 4px;
}
.product-btn .ptype-tag {
  font-size: .67rem;
  font-weight: 600;
  color: var(--accent-dark);
  background: #fff0e6;
  padding: .1rem .4rem;
  border-radius: 4px;
}
.product-btn-weight   { border-left: 3px solid var(--accent); }
.product-btn-variable { border-left: 3px solid var(--info); }
.product-btn-libre {
  border: 2px dashed var(--green-dark);
  background: var(--green-pale);
}
.product-btn-libre:hover { background: #c8e6c9; border-color: var(--green-dark); }
.product-btn-libre .pname { color: var(--green-dark); font-size: .88rem; }
.product-btn-libre .pprice { color: var(--green-dark); font-size:.8rem; font-weight:600; }
.product-btn-libre .ptva { color: var(--text-muted); }

/* ---- Cartes sous-catégories dans la grille ---- */
.subcat-card-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .3rem;
  background: var(--surface);
  border: 1.5px dashed var(--border);
  border-radius: 12px;
  padding: 1rem .75rem;
  cursor: pointer;
  transition: transform .1s, box-shadow .1s;
  min-height: 100px;
}
.subcat-card-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.subcat-card-btn:active { transform: translateY(0); }
.subcat-card-icon { font-size: 1.6rem; }
.subcat-card-name {
  font-size: .92rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
}
.subcat-card-count {
  font-size: .72rem;
  color: var(--text-muted);
}

/* ---- Bouton retour dans la grille (pos 1, vue sous-catégorie) ---- */
.back-card-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 1rem .75rem;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s;
  min-height: 100px;
}
.back-card-btn:hover  { background: var(--green-pale); border-color: var(--green-light); }
.back-card-btn:active { transform: scale(.96); }
.back-card-arrow {
  font-size: 2.2rem;
  line-height: 1;
  color: var(--green-dark);
  font-weight: 700;
}
.back-card-label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
}

/* ---- Navigation sous-catégories (pills — désactivé) ---- */
#subcat-nav {
  display: flex;
  gap: .5rem;
  padding: .5rem .75rem;
  overflow-x: auto;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
#subcat-nav::-webkit-scrollbar { display: none; }
.subcat-btn {
  flex-shrink: 0;
  padding: .4rem 1rem;
  background: var(--surface2);
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1.5px solid transparent;
  transition: all .15s;
}
.subcat-btn.active {
  background: var(--green-pale);
  color: var(--green-dark);
  border-color: var(--green-light);
}
.subcat-btn:hover:not(.active) { border-color: var(--border); }

/* ---- Panier ---- */
#cart-panel {
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#cart-header {
  padding: .7rem 1rem;
  background: var(--green-dark);
  color: white;
  display: flex;
  align-items: center;
  gap: .5rem;
}
/* ---- Onglets multi-paniers ---- */
#cart-tabs {
  display: flex;
  gap: .3rem;
  align-items: center;
  flex: 1;
  overflow: hidden;
}
.cart-tab {
  padding: .28rem .65rem;
  border-radius: 6px;
  border: 1.5px solid rgba(255,255,255,.25);
  background: transparent;
  color: rgba(255,255,255,.65);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background .15s;
}
.cart-tab.active {
  background: rgba(255,255,255,.22);
  color: #fff;
  border-color: rgba(255,255,255,.55);
}
.cart-tab:not(.active):hover { background: rgba(255,255,255,.1); color: #fff; }
.cart-tab-add {
  padding: .22rem .55rem;
  border-radius: 6px;
  border: 1.5px dashed rgba(255,255,255,.35);
  background: transparent;
  color: rgba(255,255,255,.65);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}
.cart-tab-add:hover { background: rgba(255,255,255,.12); color: #fff; }
#cart-customer-btn {
  background: rgba(255,255,255,.15);
  color: white;
  font-size: .78rem;
  padding: .3rem .65rem;
  border-radius: 6px;
}
#cart-customer-btn:hover { background: rgba(255,255,255,.25); }

#cart-customer-display {
  padding: .4rem .75rem;
  font-size: .82rem;
  background: var(--green-pale);
  color: var(--green-dark);
  display: none;
  align-items: center;
  gap: .4rem;
}
#cart-customer-display .balance-tag {
  margin-left: auto;
  font-weight: 700;
  font-size: .85rem;
}
#clear-customer-btn {
  background: none;
  font-size: .75rem;
  color: var(--danger);
  padding: .1rem .3rem;
  border-radius: 4px;
}

#cart-items {
  flex: 1;
  overflow-y: auto;
  padding: .5rem;
}

.cart-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: .9rem;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .3rem;
  border-bottom: 1px solid var(--border);
}
.cart-item-name { flex: 1; font-size: .85rem; font-weight: 500; }
.cart-item-qty {
  display: flex;
  align-items: center;
  gap: .3rem;
}
.qty-btn {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
.qty-btn:hover { background: var(--green-pale); }
.qty-display {
  min-width: 28px;
  text-align: center;
  font-weight: 700;
  font-size: .9rem;
}
.cart-item-price {
  font-size: .88rem;
  font-weight: 600;
  color: var(--green-dark);
  min-width: 55px;
  text-align: right;
}
.remove-item-btn {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: none;
  color: var(--text-muted);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
.remove-item-btn:hover { background: #ffe3e3; color: var(--danger); }

/* Totaux */
#cart-totals {
  padding: .6rem .75rem;
  border-top: 2px solid var(--border);
  font-size: .85rem;
}
.tva-row { display: flex; justify-content: space-between; color: var(--text-muted); font-size: .78rem; }
.total-ht-row { display: flex; justify-content: space-between; color: var(--text-muted); font-size: .82rem; margin-bottom: .3rem; }
.total-ttc-row {
  display: flex;
  justify-content: space-between;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-top: .25rem;
}

/* Boutons action panier */
#cart-actions {
  padding: .6rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.btn-pay {
  background: var(--green);
  color: white;
  font-size: 1.15rem;
  font-weight: 700;
  padding: .85rem;
  border-radius: var(--radius);
}
.btn-pay:hover { background: var(--green-dark); }
.btn-cancel-cart {
  background: var(--surface2);
  color: var(--text-muted);
  font-size: .88rem;
  padding: .5rem;
}
.btn-cancel-cart:hover { background: #ffe3e3; color: var(--danger); }

/* ---- Modales ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.modal {
  background: var(--surface);
  border-radius: 14px;
  padding: 1.5rem;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal h2 { font-size: 1.2rem; margin-bottom: 1rem; color: var(--green-dark); }
.modal-actions { display: flex; gap: .75rem; margin-top: 1.25rem; justify-content: flex-end; }

/* Modale paiement */
#modal-payment .payment-summary {
  background: var(--surface2);
  border-radius: 8px;
  padding: .75rem 1rem;
  margin-bottom: 1rem;
}
#modal-payment .total-line {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-dark);
  text-align: center;
}

.payment-methods { display: flex; flex-direction: column; gap: .5rem; }
.payment-method-row { display: flex; align-items: center; gap: .75rem; }
.payment-method-row label { min-width: 110px; font-size: .9rem; font-weight: 500; }
.payment-method-row input[type="number"] { flex: 1; font-size: 1rem; text-align: right; }
.pay-fill-btn {
  flex-shrink: 0;
  width: 2.2rem; height: 2.2rem;
  background: var(--green-light);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, transform .1s;
}
.pay-fill-btn:hover  { background: var(--green-dark); }
.pay-fill-btn:active { transform: scale(.92); }

.change-display {
  background: var(--green-pale);
  border-radius: 8px;
  padding: .6rem 1rem;
  text-align: center;
  font-weight: 700;
  color: var(--green-dark);
  margin-top: .75rem;
  display: none;
}
.change-display.show { display: block; }

.withdrawal-section {
  margin-top: 1rem;
  padding: .75rem;
  background: #fff3cd;
  border-radius: 8px;
  font-size: .85rem;
}
.withdrawal-section label { font-weight: 600; }

/* Modale client */
.client-search-input { width: 100%; font-size: 1rem; margin-bottom: .75rem; padding: .65rem .9rem; }
.client-list { max-height: 280px; overflow-y: auto; }
.client-item {
  padding: .65rem .75rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.client-item:hover { background: var(--surface2); }
.client-item .client-name { font-weight: 600; font-size: .95rem; }
.client-item .client-meta { font-size: .8rem; color: var(--text-muted); }
.client-item .client-balance {
  margin-left: auto;
  font-weight: 700;
  font-size: .9rem;
  color: var(--green-dark);
}
.client-item .client-balance.low { color: var(--danger); }

/* Modale clôture */
.closure-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem .75rem; margin: .75rem 0; }
.closure-row { display: flex; justify-content: space-between; padding: .3rem 0; border-bottom: 1px solid var(--border); font-size: .9rem; }
.closure-row.total { font-weight: 700; font-size: 1rem; border-bottom: 2px solid var(--green); }
.closure-input-row { display: flex; align-items: center; gap: .75rem; margin: .5rem 0; }
.closure-input-row label { min-width: 160px; font-size: .9rem; }
.closure-input-row input { flex: 1; font-size: 1rem; text-align: right; }

/* ---- Modale ouverture de caisse ---- */
.caisse-open-modal { max-width: 400px; text-align: left; }
.caisse-open-icon { font-size: 3rem; text-align: center; margin-bottom: .5rem; }

/* ---- Écran tableau de bord ---- */
#screen-dashboard {
  display: none;
  padding: 1.5rem;
  height: calc(100vh - 52px);
  overflow-y: auto;
}
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--green);
}
.stat-card h3 { font-size: .85rem; color: var(--text-muted); margin-bottom: .5rem; text-transform: uppercase; letter-spacing: .5px; }
.stat-card .stat-value { font-size: 1.9rem; font-weight: 700; color: var(--green-dark); }
.stat-card .stat-sub { font-size: .82rem; color: var(--text-muted); margin-top: .25rem; }

/* Boutons génériques */
.btn-primary { background: var(--green); color: white; padding: .65rem 1.25rem; font-size: .95rem; font-weight: 600; }
.btn-primary:hover { background: var(--green-dark); }
.btn-secondary { background: var(--surface2); color: var(--text); padding: .6rem 1.1rem; font-size: .9rem; border: 1.5px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--danger); color: white; padding: .6rem 1.1rem; font-size: .9rem; }
.btn-danger:hover { background: #c1121f; }
.btn-accent { background: var(--accent); color: white; padding: .6rem 1.1rem; font-size: .9rem; font-weight: 600; }
.btn-accent:hover { background: var(--accent-dark); }

/* Toast notifications */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: .5rem;
  z-index: 999;
  pointer-events: none;
}
.toast {
  background: var(--green-dark);
  color: white;
  padding: .65rem 1.25rem;
  border-radius: 8px;
  font-size: .9rem;
  box-shadow: var(--shadow-lg);
  animation: slideUp .25s ease;
  pointer-events: auto;
}
.toast.error { background: var(--danger); }
.toast.warning { background: #e67700; }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ---- Barre de services ---- */
#services-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem .75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.services-label {
  font-size: .75rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}
.service-btn {
  padding: .3rem .75rem;
  font-size: .8rem;
  border-radius: 7px;
  border: 1.5px solid var(--accent);
  background: var(--surface);
  color: var(--accent-dark);
  font-weight: 600;
}
.service-btn:hover { background: #fff0e6; }
.service-btn:active { background: var(--accent); color: white; }
.service-btn-libre {
  border-color: var(--green-light);
  color: var(--green-dark);
  margin-left: auto;
}
.service-btn-libre:hover { background: var(--green-pale); }

/* Service items dans le panier */
.cart-item.service-item {
  background: #fff8f1;
  border-left: 3px solid var(--accent);
  font-style: italic;
}

/* Utilitaires */
.hidden { display: none !important; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: .5rem; }
.fw-bold { font-weight: 700; }

/* ---- Badges partagés ---- */
.badge {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
}
.badge-green  { background: var(--green-pale); color: var(--green-dark); }
.badge-orange { background: #fff0e6;           color: var(--accent-dark); }
.badge-gray   { background: var(--surface2);   color: var(--text-muted); }
.badge-red    { background: #ffe3e3;           color: var(--danger); }
.badge-blue   { background: #e8f0fe;           color: var(--info); }