/* =====================================================
   Gestion des Ventes — feuille de style
   Design clair, simple, professionnel. Aucune animation.
   ===================================================== */

* { box-sizing: border-box; }

:root {
  --bg:        #f4f6f8;
  --panel:     #ffffff;
  --border:    #d9dee4;
  --text:      #1c2430;
  --muted:     #6b7684;
  --primary:   #14568f;
  --primary-d: #0f4270;
  --red:       #b3261e;
  --green:     #1c7a3e;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }

h1 { font-size: 24px; margin: 0 0 18px; }
h2 { font-size: 18px; margin: 0 0 14px; }

.muted { color: var(--muted); margin-top: -10px; }
.red   { color: var(--red);   font-weight: 600; }
.green { color: var(--green); font-weight: 600; }
.ta-right { text-align: right; }

/* ---------------- Barre supérieure ---------------- */
.topbar {
  background: var(--primary);
  color: #fff;
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { font-weight: 700; font-size: 17px; }
.topuser { margin-left: auto; font-size: 14px; opacity: .9; }
.menu-btn {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,.5);
  color: #fff;
  font-size: 20px;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
}

/* ---------------- Mise en page ---------------- */
.layout { display: flex; align-items: flex-start; }

.sidebar {
  width: 230px;
  flex: 0 0 230px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  min-height: calc(100vh - 56px);
  padding: 16px 0;
}
.side-user { padding: 0 18px 14px; border-bottom: 1px solid var(--border); margin-bottom: 10px; }
.side-user-name  { font-weight: 700; }
.side-user-login { color: var(--muted); font-size: 14px; }

.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li.sep { border-top: 1px solid var(--border); margin-top: 10px; padding-top: 10px; }
.sidebar a {
  display: block;
  padding: 13px 18px;
  color: var(--text);
  font-size: 16px;
  border-left: 4px solid transparent;
}
.sidebar a:hover { background: #eef2f6; }
.sidebar a.on { background: #e7eef6; border-left-color: var(--primary); font-weight: 700; color: var(--primary-d); }
.sidebar a.danger { color: var(--red); }

.content { flex: 1 1 auto; padding: 24px; min-width: 0; }

/* ---------------- Panneaux et cartes ---------------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 20px;
}

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px;
}
.card-label { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.card-value { font-size: 24px; font-weight: 700; }

.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 24px; }
.detail-grid .dl { display: block; color: var(--muted); font-size: 13px; }
.detail-grid .dv { display: block; font-size: 17px; font-weight: 600; }

/* ---------------- Formulaires ---------------- */
.field { margin-bottom: 16px; }
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 15px; }
.hint { display: block; color: var(--muted); font-weight: 400; font-size: 13px; margin-top: 4px; }

input[type=text], input[type=password], input[type=number],
input[type=date], input[type=search], select {
  width: 100%;
  padding: 13px 12px;
  font-size: 17px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: #fff;
  color: var(--text);
  font-family: inherit;
}
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: var(--primary); }
input.readonly, input[readonly] { background: #eef1f4; color: #333; font-weight: 700; }
input.upper { text-transform: uppercase; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 18px; }
.field-date { max-width: 280px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.pay-form { max-width: 420px; }
.inline { display: inline; margin: 0; }

/* ---------------- Boutons ---------------- */
.btn {
  display: inline-block;
  padding: 12px 18px;
  font-size: 16px;
  font-family: inherit;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 5px;
  cursor: pointer;
  text-align: center;
}
.btn:hover { background: #eef2f6; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--primary-d); }
.btn-lg { padding: 14px 24px; font-size: 17px; }
.btn-sm { padding: 8px 12px; font-size: 14px; }
.btn-block { width: 100%; margin-top: 8px; }

.quick { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }

/* ---------------- Barre d'outils & onglets ---------------- */
.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.toolbar input[type=search] { flex: 1 1 260px; width: auto; }

.tabs { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.tab {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: #fff;
  color: var(--text);
}
.tab.on { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* ---------------- Tableaux ---------------- */
.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 20px;
}
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th, .table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: #eef2f6; font-size: 13px; text-transform: uppercase; letter-spacing: .3px; color: #44505e; }
.table tbody tr:last-child td { border-bottom: none; }
.table .num { text-align: right; white-space: nowrap; }
.table .empty { text-align: center; color: var(--muted); padding: 28px; }

.badge {
  display: inline-block;
  background: #e7eef6;
  color: var(--primary-d);
  font-size: 12px;
  padding: 2px 7px;
  border-radius: 10px;
}

/* ---------------- Alertes ---------------- */
.alert { padding: 13px 16px; border-radius: 5px; margin-bottom: 16px; border: 1px solid; font-size: 15px; }
.alert-ok    { background: #eaf6ee; border-color: #b9dfc6; color: #14562d; }
.alert-error { background: #fdecea; border-color: #f2c2bd; color: #8d1c16; }

/* ---------------- Connexion ---------------- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.login-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  width: 100%;
  max-width: 400px;
}
.login-box h1 { margin-bottom: 4px; }
.login-sub { color: var(--muted); margin: 0 0 22px; }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
  .cards  { grid-template-columns: 1fr 1fr; }
  .grid3  { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .menu-btn { display: block; }
  .sidebar {
    display: none;
    position: absolute;
    top: 56px; left: 0; right: 0;
    width: 100%;
    flex: none;
    min-height: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    z-index: 15;
  }
  .sidebar.open { display: block; }
  .content { padding: 16px; }
  .cards  { grid-template-columns: 1fr; }
  .grid2  { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .topuser { display: none; }

  /* Tableaux empilés sur mobile */
  .table thead { display: none; }
  .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tr { border-bottom: 2px solid var(--border); padding: 8px 0; }
  .table td { border: none; padding: 6px 14px; text-align: left; }
  .table td.num { text-align: left; }
  .table td[data-l]:before {
    content: attr(data-l);
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--muted);
  }
  .table td.ta-right { text-align: left; }
}