/* ═══════════════════════════════════════════════════════════════
   TerritoireAchats — Feuille de style principale
   ═══════════════════════════════════════════════════════════════ */

:root {
  --blue-50:  #E6F1FB;
  --blue-100: #B5D4F4;
  --blue-400: #378ADD;
  --blue-600: #185FA5;
  --blue-800: #0C447C;
  --blue-900: #042C53;
  --green-50: #EAF3DE;
  --green-600:#3B6D11;
  --green-800:#27500A;
  --amber-50: #FAEEDA;
  --amber-800:#633806;
  --red-50:   #FCEBEB;
  --red-600:  #A32D2D;
  --gray-50:  #F8F7F4;
  --gray-100: #EDEDEA;
  --gray-400: #888780;
  --gray-600: #5F5E5A;
  --gray-900: #1A1A18;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.10);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Typography ─────────────────────────────────────────────── */
h1,h2,h3,h4 { font-weight: 500; line-height: 1.2; }
h1 { font-family: var(--font-display); font-size: 2rem; }
h2 { font-family: var(--font-display); font-size: 1.5rem; }
h3 { font-size: 1.1rem; }
a  { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }
p  { line-height: 1.65; }

/* ── Layout ─────────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.container-sm { max-width: 680px; margin: 0 auto; padding: 0 1.5rem; }
.main-content { flex: 1; padding: 2rem 0; }

/* ── Navigation ─────────────────────────────────────────────── */
.site-nav {
  background: #fff;
  border-bottom: 1px solid var(--gray-100);
  padding: .9rem 0;
  position: sticky; top: 0; z-index: 100;
}
.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  max-width: 1100px; margin: 0 auto; padding: 0 1.5rem;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--gray-900);
  text-decoration: none;
}
.nav-logo span { color: var(--blue-600); }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { font-size: .875rem; color: var(--gray-600); }
.nav-links a:hover { color: var(--gray-900); text-decoration: none; }
.nav-cta {
  background: var(--blue-600); color: #fff !important;
  padding: .45rem 1rem; border-radius: var(--radius-md);
  font-size: .875rem; font-weight: 500;
}
.nav-cta:hover { background: var(--blue-800); text-decoration: none !important; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  background: var(--blue-600);
  padding: 4rem 1.5rem;
  text-align: center;
}
.hero h1 { color: #fff; font-size: 2.8rem; margin-bottom: .75rem; }
.hero p  { color: var(--blue-100); font-size: 1.1rem; max-width: 520px; margin: 0 auto 2rem; }
.hero-badges { display: flex; justify-content: center; gap: .75rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-badge  {
  background: var(--blue-800); color: var(--blue-100);
  font-size: .75rem; padding: .3rem .8rem;
  border-radius: 100px;
}

/* ── Search box ─────────────────────────────────────────────── */
.search-wrap  { max-width: 600px; margin: 0 auto; position: relative; }
.search-input {
  width: 100%; padding: 1rem 10rem 1rem 3rem;
  font-size: 1rem; font-family: var(--font-body);
  border: none; border-radius: 100px;
  background: #fff; color: var(--gray-900);
  outline: none; box-shadow: var(--shadow-md);
}
.search-icon {
  position: absolute; left: 1.1rem; top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400); font-size: 1.1rem; pointer-events: none;
}
.search-btn {
  position: absolute; right: .4rem; top: 50%;
  transform: translateY(-50%);
  background: var(--blue-600); color: #fff;
  border: none; border-radius: 100px;
  padding: .6rem 1.25rem; font-size: .875rem;
  font-weight: 500; font-family: var(--font-body);
  cursor: pointer; display: flex; align-items: center; gap: .4rem;
}
.search-btn:hover { background: var(--blue-800); }
.search-pills { display: flex; justify-content: center; gap: .5rem; flex-wrap: wrap; margin-top: .9rem; }
.search-pill  {
  background: rgba(255,255,255,.15); color: var(--blue-100);
  border: 1px solid rgba(255,255,255,.2);
  padding: .3rem .8rem; border-radius: 100px;
  font-size: .8rem; cursor: pointer;
}
.search-pill:hover { background: rgba(255,255,255,.25); }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: #fff; border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.card-sm { padding: 1rem 1.25rem; border-radius: var(--radius-md); }
.card-title { font-size: 1rem; font-weight: 500; margin-bottom: 1rem; }
.card + .card { margin-top: 1rem; }

/* ── Grid ───────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr)); gap: .75rem; }

/* ── KPI cards ──────────────────────────────────────────────── */
.kpi { background: var(--gray-50); border-radius: var(--radius-md); padding: 1rem; }
.kpi-val { font-family: var(--font-display); font-size: 1.75rem; color: var(--blue-600); margin-bottom: .25rem; }
.kpi-label { font-size: .8rem; color: var(--gray-600); }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-block; font-size: .75rem; font-weight: 500;
  padding: .25rem .7rem; border-radius: 100px;
}

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-label { display: block; font-size: .8rem; font-weight: 500; color: var(--gray-600); margin-bottom: .35rem; text-transform: uppercase; letter-spacing: .4px; }
.form-control {
  width: 100%; padding: .6rem .85rem;
  font-size: .9375rem; font-family: var(--font-body);
  border: 1px solid var(--gray-100); border-radius: var(--radius-md);
  background: #fff; color: var(--gray-900);
  outline: none; transition: border-color .15s;
}
.form-control:focus { border-color: var(--blue-600); }
textarea.form-control { resize: vertical; min-height: 90px; line-height: 1.55; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .6rem 1.25rem; font-size: .9rem; font-weight: 500;
  font-family: var(--font-body); border-radius: var(--radius-md);
  border: 1px solid transparent; cursor: pointer;
  transition: background .15s, transform .1s;
  text-decoration: none;
}
.btn:active { transform: scale(.98); }
.btn-primary   { background: var(--blue-600); color: #fff; }
.btn-primary:hover { background: var(--blue-800); color: #fff; text-decoration: none; }
.btn-secondary { background: var(--gray-100); color: var(--gray-600); border-color: var(--gray-100); }
.btn-secondary:hover { background: #e4e2dc; text-decoration: none; }
.btn-success   { background: var(--green-600); color: #fff; }
.btn-success:hover { background: var(--green-800); color: #fff; text-decoration: none; }
.btn-danger    { background: var(--red-50); color: var(--red-600); border-color: #f0c0c0; }
.btn-danger:hover { background: #f5c8c8; text-decoration: none; }
.btn-sm { padding: .4rem .85rem; font-size: .8rem; }
.btn-lg { padding: .85rem 1.75rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
th { text-align: left; font-size: .75rem; font-weight: 500; color: var(--gray-600); text-transform: uppercase; letter-spacing: .4px; padding: .7rem .85rem; border-bottom: 1px solid var(--gray-100); white-space: nowrap; }
td { padding: .75rem .85rem; border-bottom: 1px solid var(--gray-100); color: var(--gray-900); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--gray-50); }
.td-ref { font-family: monospace; font-size: .8rem; color: var(--gray-600); }

/* ── Flash messages ─────────────────────────────────────────── */
.flash { padding: .85rem 1.25rem; border-radius: var(--radius-md); margin-bottom: 1.25rem; font-size: .9rem; }
.flash-success { background: var(--green-50); color: var(--green-800); }
.flash-error   { background: var(--red-50);   color: var(--red-600); }
.flash-info    { background: var(--blue-50);  color: var(--blue-800); }

/* ── Section headers ────────────────────────────────────────── */
.section-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 1.25rem;
}
.section-title { font-size: 1.1rem; font-weight: 500; }
.section-label { font-size: .75rem; font-weight: 500; color: var(--gray-600); text-transform: uppercase; letter-spacing: .5px; margin-bottom: .6rem; }

/* ── Sidebar layout ─────────────────────────────────────────── */
.layout-sidebar { display: grid; grid-template-columns: 220px 1fr; gap: 0; min-height: calc(100vh - 57px); }
.sidebar {
  background: #fff; border-right: 1px solid var(--gray-100);
  padding: 1.5rem 0;
}
.sidebar-logo { padding: 0 1.25rem 1.5rem; border-bottom: 1px solid var(--gray-100); margin-bottom: 1rem; }
.sidebar-logo a { font-family: var(--font-display); font-size: 1.1rem; color: var(--gray-900); text-decoration: none; }
.sidebar-logo a span { color: var(--blue-600); }
.sidebar-nav { list-style: none; }
.sidebar-nav li a {
  display: flex; align-items: center; gap: .65rem;
  padding: .6rem 1.25rem; font-size: .9rem;
  color: var(--gray-600); text-decoration: none;
  transition: background .12s, color .12s;
}
.sidebar-nav li a:hover { background: var(--gray-50); color: var(--gray-900); }
.sidebar-nav li a.active { background: var(--blue-50); color: var(--blue-800); font-weight: 500; border-right: 3px solid var(--blue-600); }
.sidebar-nav li a svg { width: 17px; height: 17px; flex-shrink: 0; }
.sidebar-section { font-size: .7rem; font-weight: 500; color: var(--gray-400); text-transform: uppercase; letter-spacing: .5px; padding: 1.25rem 1.25rem .35rem; }
.sidebar-content { padding: 2rem; overflow-y: auto; }

/* ── Login page ─────────────────────────────────────────────── */
.login-wrap {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  background: var(--blue-600); padding: 1.5rem;
}
.login-card {
  background: #fff; border-radius: var(--radius-lg);
  padding: 2.5rem; width: 100%; max-width: 400px;
  box-shadow: var(--shadow-md);
}
.login-logo { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 1.75rem; text-align: center; }
.login-logo span { color: var(--blue-600); }
.login-title { font-size: 1.1rem; font-weight: 500; margin-bottom: .35rem; }
.login-sub   { font-size: .875rem; color: var(--gray-600); margin-bottom: 1.5rem; }

/* ── Result card (devis estimatif) ──────────────────────────── */
.result-card { display: none; }
.result-card.visible { display: block; }
.result-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }
.result-title  { font-weight: 500; }
.result-badge  { background: var(--green-50); color: var(--green-800); font-size: .75rem; font-weight: 500; padding: .25rem .7rem; border-radius: 100px; }
.result-ligne  { display: flex; align-items: center; justify-content: space-between; padding: .65rem .85rem; border-radius: var(--radius-md); border: 1px solid var(--gray-100); margin-bottom: .5rem; }
.result-ligne-name { font-size: .875rem; font-weight: 500; }
.result-ligne-meta { font-size: .75rem; color: var(--gray-600); margin-top: .15rem; }
.result-ligne-price { font-weight: 500; color: var(--blue-600); font-size: .9rem; }
.result-total  { display: flex; justify-content: flex-end; align-items: center; gap: 1.5rem; padding: .85rem 0; border-top: 2px solid var(--gray-100); margin-top: .5rem; }
.result-total-label  { font-size: .875rem; color: var(--gray-600); }
.result-total-amount { font-family: var(--font-display); font-size: 1.6rem; color: var(--blue-600); }
.spinner { display: none; }
.spinner.visible { display: flex; align-items: center; gap: .6rem; color: var(--gray-600); font-size: .875rem; padding: 1rem 0; }
.spin { width: 18px; height: 18px; border: 2px solid var(--gray-100); border-top-color: var(--blue-600); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Info box ───────────────────────────────────────────────── */
.info-box { background: var(--blue-50); border-radius: var(--radius-md); padding: .85rem 1rem; font-size: .85rem; color: var(--blue-800); display: flex; align-items: flex-start; gap: .6rem; margin-bottom: 1.1rem; }
.warn-box  { background: var(--amber-50); color: var(--amber-800); }

/* ── Timeline ───────────────────────────────────────────────── */
.timeline { list-style: none; position: relative; padding-left: 1.75rem; }
.timeline::before { content: ''; position: absolute; left: .4rem; top: 0; bottom: 0; width: 1px; background: var(--gray-100); }
.timeline li { position: relative; padding-bottom: 1.25rem; }
.timeline li::before { content: ''; position: absolute; left: -1.35rem; top: .3rem; width: 10px; height: 10px; border-radius: 50%; background: var(--blue-600); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--blue-600); }
.timeline-date { font-size: .75rem; color: var(--gray-600); margin-bottom: .2rem; }
.timeline-text { font-size: .875rem; }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer { background: #fff; border-top: 1px solid var(--gray-100); padding: 1.25rem 0; margin-top: auto; }
.footer-inner { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }
.footer-logo  { font-family: var(--font-display); font-size: .95rem; }
.footer-copy  { font-size: .78rem; color: var(--gray-600); }
.footer-links { display: flex; gap: 1rem; }
.footer-links a { font-size: .78rem; color: var(--gray-600); }

/* ── Utility ────────────────────────────────────────────────── */
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.text-muted   { color: var(--gray-600); font-size: .875rem; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.font-mono    { font-family: monospace; }
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; }
.gap-1        { gap: .5rem; }
.gap-2        { gap: 1rem; }
.justify-between { justify-content: space-between; }

@media (max-width: 768px) {
  .layout-sidebar { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .form-row { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
  .hero h1 { font-size: 1.9rem; }
}