/* ============================================================
   Aménagement Maison IA — Design System
   ============================================================ */

/* ── Tokens ──────────────────────────────────────────────── */
:root {
  --c-bg:        #f8fafc;
  --c-surface:   #ffffff;
  --c-surface2:  #f1f5f9;
  --c-border:    #e2e8f0;
  --c-border2:   #cbd5e1;
  --c-text:      #0f172a;
  --c-text2:     #475569;
  --c-text3:     #94a3b8;
  --c-primary:   #4f46e5;
  --c-primary-h: #4338ca;
  --c-primary-l: #eef2ff;
  --c-success:   #059669;
  --c-success-l: #d1fae5;
  --c-warning:   #d97706;
  --c-warning-l: #fef3c7;
  --c-danger:    #dc2626;
  --c-danger-l:  #fee2e2;
  --c-secondary: #7c3aed;
  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   16px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow:      0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.15);
  --header-h:    60px;
  --transition:  .18s ease;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --c-bg:      #0f172a;
    --c-surface: #1e293b;
    --c-surface2:#273549;
    --c-border:  #334155;
    --c-border2: #475569;
    --c-text:    #f1f5f9;
    --c-text2:   #94a3b8;
    --c-text3:   #64748b;
    --c-primary-l:#312e81;
    --c-success-l:#064e3b;
    --c-warning-l:#78350f;
    --c-danger-l: #7f1d1d;
  }
}
:root[data-theme="dark"] {
  --c-bg:      #0f172a;
  --c-surface: #1e293b;
  --c-surface2:#273549;
  --c-border:  #334155;
  --c-border2: #475569;
  --c-text:    #f1f5f9;
  --c-text2:   #94a3b8;
  --c-text3:   #64748b;
  --c-primary-l:#312e81;
  --c-success-l:#064e3b;
  --c-warning-l:#78350f;
  --c-danger-l: #7f1d1d;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font: inherit; }
input, select, textarea {
  font: inherit;
  background: var(--c-surface);
  color: var(--c-text);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: .5rem .75rem;
  width: 100%;
  outline: none;
  transition: border-color var(--transition);
}
input:focus, select:focus, textarea:focus { border-color: var(--c-primary); }
textarea { resize: vertical; min-height: 80px; }

/* ── Layout ──────────────────────────────────────────────── */
#app { min-height: 100vh; display: flex; flex-direction: column; }

/* ── Header ──────────────────────────────────────────────── */
.app-header {
  height: var(--header-h);
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-text);
}
.brand-icon { font-size: 1.4rem; }
.brand-name strong { color: var(--c-primary); }
.header-nav { display: flex; gap: .25rem; flex: 1; }
.nav-link {
  padding: .4rem .85rem;
  border-radius: var(--radius-sm);
  color: var(--c-text2);
  font-size: .875rem;
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
  background: var(--c-primary-l);
  color: var(--c-primary);
  text-decoration: none;
}
.header-user {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .875rem;
  color: var(--c-text2);
}
.user-name { font-weight: 500; color: var(--c-text); }

.app-main { flex: 1; padding: 1.75rem 2rem; max-width: 1440px; margin: 0 auto; width: 100%; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  font-size: .875rem;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary  { background: var(--c-primary);  color: #fff; }
.btn-primary:hover  { background: var(--c-primary-h); }
.btn-success  { background: var(--c-success);  color: #fff; }
.btn-success:hover  { background: #047857; }
.btn-danger   { background: var(--c-danger);   color: #fff; }
.btn-secondary{ background: var(--c-secondary); color: #fff; }
.btn-ghost    {
  background: transparent;
  border-color: var(--c-border);
  color: var(--c-text2);
}
.btn-ghost:hover, .btn-ghost.active {
  background: var(--c-surface2);
  color: var(--c-text);
}
.btn-sm  { padding: .35rem .75rem; font-size: .8rem; }
.btn-xs  { padding: .25rem .6rem;  font-size: .75rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Forms ───────────────────────────────────────────────── */
.form-group  { display: flex; flex-direction: column; gap: .35rem; }
.form-group label { font-size: .8rem; font-weight: 600; color: var(--c-text2); text-transform: uppercase; letter-spacing: .04em; }
.form-row    { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .15rem .55rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
}
.badge-blue    { background: #dbeafe; color: #1d4ed8; }
.badge-green   { background: var(--c-success-l); color: var(--c-success); }
.badge-yellow  { background: var(--c-warning-l); color: var(--c-warning); }
.badge-success { background: var(--c-success-l); color: var(--c-success); }
.count-badge   { background: var(--c-surface2); color: var(--c-text2); padding: .1rem .5rem; border-radius: 999px; font-size: .75rem; margin-left: .35rem; }

/* ── Tags ────────────────────────────────────────────────── */
.tag     { background: var(--c-surface2); border: 1px solid var(--c-border); padding: .2rem .6rem; border-radius: 999px; font-size: .78rem; }
.tag-sm  { padding: .1rem .4rem; font-size: .7rem; }
.tags-list { display: flex; flex-wrap: wrap; gap: .4rem; }

/* ── Toast ───────────────────────────────────────────────── */
#toasts { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 9999; display: flex; flex-direction: column; gap: .5rem; }
.toast {
  background: var(--c-text);
  color: var(--c-bg);
  padding: .7rem 1.2rem;
  border-radius: var(--radius);
  font-size: .875rem;
  box-shadow: var(--shadow-lg);
  transform: translateX(110%);
  opacity: 0;
  transition: all .3s ease;
  max-width: 360px;
}
.toast.show { transform: none; opacity: 1; }
.toast-success { background: var(--c-success); }
.toast-error   { background: var(--c-danger); }
.toast-warning { background: var(--c-warning); }

/* ── Modal ───────────────────────────────────────────────── */
#modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(3px);
}
#modal-overlay.active { display: flex; }
.modal-box {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--c-border);
}
.modal-head h2 { font-size: 1.1rem; font-weight: 600; }
.modal-close { background: none; border: none; font-size: 1.25rem; color: var(--c-text3); padding: .25rem; }
#modal-body { padding: 1.5rem; overflow-y: auto; flex: 1; }
#modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--c-border); display: flex; justify-content: flex-end; gap: .75rem; }
.lightbox-body { display: flex; flex-direction: column; align-items: center; }
.lightbox-img-wrap { max-height: 60vh; }
.lightbox-img-wrap img { max-height: 60vh; object-fit: contain; border-radius: var(--radius); }
.lightbox-caption { margin-top: .75rem; color: var(--c-text2); font-size: .875rem; }
.lightbox-nav { display: flex; align-items: center; gap: 1.5rem; margin-top: 1rem; font-size: .875rem; color: var(--c-text2); }
.lb-prev, .lb-next { background: var(--c-surface2); border: 1px solid var(--c-border); color: var(--c-text); border-radius: 50%; width: 36px; height: 36px; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; }

/* ── Loading ─────────────────────────────────────────────── */
.loading-spinner { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 3rem; gap: 1rem; color: var(--c-text3); }
.spinner { width: 36px; height: 36px; border: 3px solid var(--c-border); border-top-color: var(--c-primary); border-radius: 50%; animation: spin .7s linear infinite; }
.spinner-sm { width: 14px; height: 14px; border-width: 2px; display: inline-block; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty states ────────────────────────────────────────── */
.empty-state { text-align: center; padding: 3rem 1rem; max-width: 420px; margin: 0 auto; }
.empty-state-sm { padding: 2rem 1rem; }
.empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.empty-state p  { color: var(--c-text2); margin-bottom: 1.25rem; }
.empty-text { color: var(--c-text3); font-size: .875rem; padding: 1rem 0; }

/* ── Auth ────────────────────────────────────────────────── */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--c-primary) 0%, #7c3aed 100%); padding: 1rem; }
.auth-card { background: var(--c-surface); border-radius: var(--radius-lg); padding: 2.5rem; width: 100%; max-width: 420px; box-shadow: var(--shadow-lg); }
.auth-brand { text-align: center; margin-bottom: 2rem; }
.brand-icon-lg { font-size: 3rem; display: block; margin-bottom: .5rem; }
.auth-brand h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: .25rem; }
.auth-brand p  { color: var(--c-text2); font-size: .875rem; }
.auth-form     { display: flex; flex-direction: column; gap: 1.1rem; }
.auth-error    { background: var(--c-danger-l); color: var(--c-danger); padding: .65rem .9rem; border-radius: var(--radius-sm); font-size: .875rem; }
.auth-switch   { text-align: center; margin-top: 1.25rem; font-size: .875rem; color: var(--c-text2); }
.auth-demo     { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--c-border); text-align: center; }
.auth-demo p   { font-size: .8rem; color: var(--c-text3); margin-bottom: .5rem; }

/* ── Dashboard ───────────────────────────────────────────── */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 2rem; }
.page-header h1 { font-size: 1.75rem; font-weight: 700; }
.page-subtitle   { color: var(--c-text2); margin-top: .25rem; }
.houses-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.25rem; }
.house-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.house-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--c-primary); }
.house-thumb { height: 160px; background: var(--c-surface2); overflow: hidden; }
.house-thumb img { width: 100%; height: 100%; object-fit: cover; }
.house-thumb-placeholder { display: flex; align-items: center; justify-content: center; }
.thumb-icon { font-size: 3rem; }
.house-info { padding: 1.1rem; }
.house-name { font-size: 1.1rem; font-weight: 600; margin-bottom: .25rem; }
.house-addr { font-size: .8rem; color: var(--c-text3); margin-bottom: .5rem; }
.house-meta { display: flex; flex-wrap: wrap; gap: .75rem; font-size: .8rem; color: var(--c-text2); margin-bottom: .4rem; }
.house-date { font-size: .75rem; color: var(--c-text3); }
.house-actions { position: absolute; top: .75rem; right: .75rem; display: flex; gap: .35rem; opacity: 0; transition: opacity var(--transition); }
.house-card:hover .house-actions { opacity: 1; }

/* ── House detail ────────────────────────────────────────── */
.house-breadcrumb { display: flex; align-items: center; gap: .5rem; font-size: .875rem; color: var(--c-text3); margin-bottom: 1.5rem; }
.house-breadcrumb a { color: var(--c-text2); }
.house-breadcrumb a:hover { color: var(--c-primary); text-decoration: underline; }
.house-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1.5rem; }
.house-title-block h1 { font-size: 1.75rem; font-weight: 700; }
.house-address { color: var(--c-text3); margin-top: .25rem; }
.house-desc    { color: var(--c-text2); margin-top: .5rem; font-size: .9rem; }
.house-header-actions { display: flex; gap: .75rem; flex-shrink: 0; }

.floor-tabs { display: flex; gap: .5rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.floor-tab {
  padding: .45rem 1rem;
  border-radius: 999px;
  border: 1.5px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text2);
  font-size: .8rem;
  font-weight: 500;
  transition: all var(--transition);
}
.floor-tab:hover { border-color: var(--c-primary); color: var(--c-primary); }
.floor-tab.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

.floor-layout { display: grid; grid-template-columns: 1fr 260px; gap: 1.5rem; }
@media (max-width: 900px) { .floor-layout { grid-template-columns: 1fr; } }

/* ── Floor plan SVG ──────────────────────────────────────── */
.floorplan-container { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden; }
.floorplan-wrap { overflow: auto; }
.floorplan-svg { width: 100%; min-height: 420px; background: #f8faff; cursor: default; }

/* Floorplan toolbar */
.fp-toolbar {
  display: flex; align-items: center; flex-wrap: wrap; gap: .5rem;
  padding: .6rem 1rem; border-bottom: 1px solid var(--c-border);
  background: var(--c-surface2);
}
.fp-tool-group { display: flex; align-items: center; gap: .35rem; }
.fp-tool-hint  { font-size: .75rem; color: var(--c-text3); }
.fp-tool-label { font-size: .78rem; color: var(--c-text2); font-weight: 500; }

/* Preset shape picker */
.preset-grid { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .25rem; }
.preset-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: .4rem .6rem; border: 2px solid var(--c-border); border-radius: var(--radius-sm);
  background: var(--c-surface2); cursor: pointer; font-size: .7rem; color: var(--c-text2);
  transition: border-color var(--transition), background var(--transition);
}
.preset-btn:hover { border-color: var(--c-primary); }
.preset-btn.active { border-color: var(--c-primary); background: var(--c-primary-l); color: var(--c-primary); }

/* Vertex handles */
.v-handle { transition: r .1s; }
.v-handle:hover { r: 8; }
.room-svg-group { user-select: none; }
.room-rect { filter: drop-shadow(0 1px 3px rgba(0,0,0,.12)); transition: filter .1s; }
.room-svg-group:hover .room-rect { filter: drop-shadow(0 3px 8px rgba(79,70,229,.3)); }

/* ── Room sidebar ────────────────────────────────────────── */
.room-sidebar { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 1rem; }
.room-sidebar h3 { font-size: .9rem; font-weight: 600; margin-bottom: 1rem; }
.room-list { display: flex; flex-direction: column; gap: .5rem; }
.room-card-sidebar {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem .8rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition);
}
.room-card-sidebar:hover { background: var(--c-surface2); }
.room-card-icon { font-size: 1.25rem; flex-shrink: 0; }
.room-card-info { flex: 1; min-width: 0; }
.room-card-name { display: block; font-weight: 600; font-size: .875rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.room-card-meta { display: block; font-size: .75rem; color: var(--c-text3); }
.room-card-badges { display: flex; gap: .3rem; margin-top: .25rem; }
.room-card-arrow { color: var(--c-text3); font-size: 1.1rem; }

/* ── Room detail ─────────────────────────────────────────── */
.page-room  { max-width: 1100px; }
.room-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1.5rem; }
.room-title-block { display: flex; align-items: center; gap: 1rem; }
.room-type-badge { font-size: 2rem; }
.room-header h1 { font-size: 1.6rem; font-weight: 700; }
.room-meta { color: var(--c-text2); font-size: .875rem; margin-top: .15rem; }
.room-header-actions { display: flex; gap: .75rem; flex-shrink: 0; }

.validated-banner {
  background: var(--c-success-l);
  border: 1px solid var(--c-success);
  border-radius: var(--radius);
  padding: .85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.validated-banner-left { display: flex; align-items: center; gap: .75rem; }
.validated-icon { font-size: 1.5rem; }
.validated-banner strong { display: block; font-weight: 600; }
.validated-banner span   { font-size: .8rem; color: var(--c-text2); }

.room-section { margin-bottom: 2.5rem; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.section-header h2 { font-size: 1.2rem; font-weight: 600; }
.section-actions { display: flex; gap: .5rem; }

/* ── Photos ──────────────────────────────────────────────── */
.photos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .75rem; }
.photo-thumb {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background: var(--c-surface2);
}
.photo-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .2s; }
.photo-thumb:hover img { transform: scale(1.04); }
.photo-cover { ring: 2px solid var(--c-success); outline: 2px solid var(--c-success); }
.cover-label { position: absolute; top: .4rem; left: .4rem; background: var(--c-success); color: #fff; font-size: .65rem; font-weight: 700; padding: .1rem .4rem; border-radius: 999px; text-transform: uppercase; }
.photo-actions { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(transparent, rgba(0,0,0,.7)); padding: .5rem .4rem .4rem; display: flex; justify-content: flex-end; gap: .3rem; opacity: 0; transition: opacity var(--transition); }
.photo-thumb:hover .photo-actions { opacity: 1; }
.photo-btn { background: rgba(255,255,255,.9); border: none; border-radius: var(--radius-sm); padding: .2rem .35rem; font-size: .75rem; }
.photo-btn-delete { background: rgba(220,38,38,.85); color: #fff; }
.photos-empty { grid-column: 1 / -1; }
.upload-zone { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .5rem; padding: 2.5rem; border: 2px dashed var(--c-border); border-radius: var(--radius-lg); cursor: pointer; color: var(--c-text3); transition: all var(--transition); }
.upload-zone:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-l); }
.upload-icon { font-size: 2.5rem; }
.upload-btn  { position: relative; overflow: hidden; }

/* ── Proposals ───────────────────────────────────────────── */
.proposals-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.proposal-card {
  background: var(--c-surface);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.proposal-card:hover { box-shadow: var(--shadow); }
.proposal-card.proposal-validated { border-color: var(--c-success); background: var(--c-success-l); }
.proposal-card.proposal-favorite  { border-color: var(--c-warning); }
.proposal-card-header { display: flex; align-items: center; justify-content: space-between; padding: .6rem .75rem; border-bottom: 1px solid var(--c-border); }
.compare-checkbox { display: flex; align-items: center; gap: .35rem; font-size: .78rem; cursor: pointer; color: var(--c-text2); }
.proposal-badges { display: flex; gap: .3rem; }
.proposal-thumb { aspect-ratio: 4/3; background: var(--c-surface2); position: relative; overflow: hidden; cursor: pointer; }
.proposal-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .2s; }
.proposal-thumb:hover img { transform: scale(1.04); }
.proposal-thumb-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--c-primary-l), var(--c-surface2)); }
.proposal-thumb-placeholder span { font-size: 3rem; }
.proposal-style-badge { position: absolute; bottom: .5rem; left: .5rem; background: rgba(0,0,0,.6); color: #fff; padding: .15rem .5rem; border-radius: 999px; font-size: .7rem; font-weight: 500; text-transform: capitalize; }
.proposal-card-body { padding: .75rem; }
.proposal-card-body h4 { font-size: .9rem; font-weight: 600; margin-bottom: .2rem; line-height: 1.3; }
.proposal-date { font-size: .72rem; color: var(--c-text3); margin-bottom: .6rem; }
.proposal-actions { display: flex; align-items: center; gap: .35rem; flex-wrap: wrap; }

/* ── Generate modal ──────────────────────────────────────── */
.generate-form { }
.generate-intro { color: var(--c-text2); margin-bottom: 1rem; font-size: .875rem; }
.style-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: .75rem; }
.style-card { cursor: pointer; }
.style-card input { display: none; }
.style-card-inner {
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  padding: .65rem .85rem;
  display: flex;
  flex-direction: column;
  gap: .15rem;
  transition: all var(--transition);
}
.style-card input:checked + .style-card-inner {
  border-color: var(--c-primary);
  background: var(--c-primary-l);
}
.style-card:hover .style-card-inner { border-color: var(--c-primary); }
.generate-options { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin: 1.25rem 0 1rem; }
.generate-options .form-group:last-child { grid-column: 1 / -1; }
.extras-chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: .5rem 0 1rem; }
.chip { cursor: pointer; }
.chip input { display: none; }
.chip span { display: inline-block; padding: .3rem .7rem; border: 1.5px solid var(--c-border); border-radius: 999px; font-size: .8rem; transition: all var(--transition); }
.chip input:checked + span { border-color: var(--c-primary); background: var(--c-primary-l); }
.style-label { font-weight: 600; font-size: .875rem; }
.style-desc  { font-size: .75rem; color: var(--c-text3); }

/* ── Proposal detail ─────────────────────────────────────── */
.proposal-detail { display: flex; flex-direction: column; gap: 1.25rem; }
.proposal-detail-meta { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.proposal-version, .proposal-date { font-size: .8rem; color: var(--c-text3); }
.proposal-description { color: var(--c-text2); line-height: 1.7; }
.detail-section h4 { font-size: .9rem; font-weight: 600; margin-bottom: .6rem; }
.color-palette { display: flex; gap: .5rem; flex-wrap: wrap; }
.palette-swatch { width: 64px; height: 48px; border-radius: var(--radius-sm); position: relative; cursor: pointer; box-shadow: inset 0 0 0 1px rgba(0,0,0,.1); }
.palette-name   { position: absolute; bottom: -1.2rem; left: 50%; transform: translateX(-50%); font-size: .6rem; color: var(--c-text3); white-space: nowrap; }
.furniture-list { padding-left: 1.25rem; display: flex; flex-direction: column; gap: .3rem; }
.furniture-list li { font-size: .875rem; }

/* ── Compare modal ───────────────────────────────────────── */
.compare-grid { display: grid; gap: 1rem; }
.compare-col { border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1rem; display: flex; flex-direction: column; gap: .75rem; }
.compare-header { display: flex; flex-direction: column; gap: .35rem; }
.compare-header h4 { font-size: .9rem; font-weight: 600; }
.compare-desc { font-size: .8rem; color: var(--c-text2); line-height: 1.5; }
.compare-colors { display: flex; gap: .3rem; }
.compare-swatch { width: 24px; height: 24px; border-radius: 4px; box-shadow: inset 0 0 0 1px rgba(0,0,0,.1); }
.compare-tags { display: flex; flex-wrap: wrap; gap: .3rem; }
.compare-mood { font-size: .8rem; color: var(--c-text3); }
.mt-8 { margin-top: .5rem; }

/* ── Color picker ────────────────────────────────────────── */
.color-picker { display: flex; gap: .5rem; flex-wrap: wrap; }
.color-swatch { width: 32px; height: 32px; border-radius: 50%; border: 3px solid transparent; cursor: pointer; transition: all .15s; }
.color-swatch.active { border-color: var(--c-primary); transform: scale(1.15); }

/* ── Shopping ────────────────────────────────────────────── */
.page-shopping { max-width: 1100px; }
.shopping-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1.5rem; }
.shopping-header h1 { font-size: 1.6rem; font-weight: 700; }
.shopping-header p   { color: var(--c-text2); margin-top: .25rem; font-size: .875rem; }
.shopping-header-actions { display: flex; gap: .5rem; }
.budget-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.75rem; }
.budget-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 1.25rem 1.5rem; }
.budget-products { border-top: 3px solid var(--c-primary); }
.budget-work     { border-top: 3px solid var(--c-warning); }
.budget-total    { border-top: 3px solid var(--c-success); background: var(--c-success-l); }
.budget-label    { font-size: .8rem; color: var(--c-text2); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; margin-bottom: .35rem; }
.budget-amount   { font-size: 1.5rem; font-weight: 700; }
.shopping-tabs { display: flex; gap: .5rem; margin-bottom: 1.25rem; border-bottom: 1px solid var(--c-border); padding-bottom: 0; }
.shopping-tab {
  padding: .6rem 1.25rem;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  background: none;
  font-size: .875rem;
  font-weight: 500;
  color: var(--c-text2);
  margin-bottom: -1px;
  transition: all var(--transition);
}
.shopping-tab.active { background: var(--c-surface); border-color: var(--c-border); color: var(--c-text); border-bottom-color: var(--c-surface); }
.shopping-tab-content { }
.shopping-category { margin-bottom: 2rem; }
.category-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: .75rem; padding-bottom: .5rem; border-bottom: 1px solid var(--c-border); }
.category-header h3 { font-size: 1rem; font-weight: 600; }
.category-total { font-weight: 700; color: var(--c-primary); }
.shopping-table-wrap { overflow-x: auto; }
.shopping-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.shopping-table th { background: var(--c-surface2); padding: .6rem .85rem; text-align: left; font-size: .75rem; font-weight: 600; color: var(--c-text2); text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
.shopping-table td { padding: .65rem .85rem; border-bottom: 1px solid var(--c-border); vertical-align: middle; }
.shopping-table tbody tr:hover { background: var(--c-surface2); }
.item-name { font-weight: 500; }
.item-desc { color: var(--c-text2); font-size: .8rem; max-width: 220px; }
.item-price, .item-total { white-space: nowrap; }
.product-link { color: var(--c-primary); font-size: .8rem; font-weight: 500; }

/* ── Misc ────────────────────────────────────────────────── */
.not-found { text-align: center; padding: 5rem 1rem; }
.not-found h1 { font-size: 6rem; font-weight: 900; color: var(--c-border2); }
.hidden { display: none !important; }
.style-tag { background: var(--c-primary-l); color: var(--c-primary); padding: .2rem .65rem; border-radius: 999px; font-size: .78rem; font-weight: 500; text-transform: capitalize; }

/* ── Print ───────────────────────────────────────────────── */
@media print {
  .app-header, .shopping-header-actions, .shopping-tabs, .btn { display: none !important; }
  .shopping-tab-content.hidden { display: block !important; }
  .page-shopping { max-width: 100%; }
  body { background: #fff; color: #000; }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-main { padding: 1rem; }
  .house-header, .room-header, .shopping-header, .page-header { flex-direction: column; gap: 1rem; }
  .style-grid, .generate-options { grid-template-columns: 1fr; }
  .budget-summary { grid-template-columns: 1fr; }
  .proposals-grid { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
  .form-row { grid-template-columns: 1fr; }
  .modal-box { max-width: 100%; }
}

.proposal-images { display: grid; gap: .75rem; }
.proposal-images img { width: 100%; border-radius: 8px; display: block; }

.form-section-title { margin: 1.25rem 0 .75rem; font-size: .95rem; }
.form-section-title small { font-weight: 400; color: var(--c-text2); }
.checkbox-inline { display: flex; align-items: center; gap: .5rem; font-size: .85rem; color: var(--c-text2); margin-top: .75rem; cursor: pointer; }
.checkbox-inline input { width: auto; }

.proposal-nav { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-bottom: .75rem; font-size: .875rem; color: var(--c-text2); }
.proposal-nav .btn { font-size: 1.25rem; line-height: 1; padding: .2rem .8rem; }

/* ── Inventaire & entretien ──────────────────────────────── */
.page-inventory { max-width: 1200px; }
.badge-danger   { background: var(--c-danger-l); color: var(--c-danger); }
.inv-summary    { grid-template-columns: repeat(4, 1fr); }
.inv-card-warn  { border-top: 3px solid var(--c-warning); }
.inv-card-late  { border-top: 3px solid var(--c-danger); background: var(--c-danger-l); }
.inv-filters    { margin-bottom: 1rem; }
.inv-grid       { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1rem; }
.inv-card       { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: .6rem; }
.inv-card-head  { display: flex; align-items: flex-start; gap: .75rem; }
.inv-card-icon  { font-size: 1.6rem; line-height: 1; }
.inv-card-title { flex: 1; min-width: 0; }
.inv-card-title h4 { font-size: 1rem; font-weight: 600; }
.inv-card-title p  { font-size: .8rem; color: var(--c-text2); }
.inv-card-actions  { display: flex; gap: .15rem; }
.inv-card-meta  { display: flex; flex-direction: column; gap: .15rem; font-size: .8rem; color: var(--c-text2); }
.inv-docs       { display: flex; flex-wrap: wrap; gap: .35rem; }
.inv-docs:empty { display: none; }
.inv-card-footer { display: flex; gap: .5rem; margin-top: auto; padding-top: .5rem; border-top: 1px solid var(--c-border); }
.inv-doc-list   { display: flex; flex-direction: column; gap: .4rem; }
.inv-doc-row    { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .45rem .6rem; background: var(--c-surface2); border-radius: var(--radius-sm); font-size: .85rem; }
.inv-presets .checkbox-inline { margin-top: .5rem; color: var(--c-text); }
.inv-table td   { vertical-align: middle; }
.inv-row-late td:first-child { box-shadow: inset 3px 0 0 var(--c-danger); }
.inv-row-soon td:first-child { box-shadow: inset 3px 0 0 var(--c-warning); }
.inv-row-done   { opacity: .6; }
.inv-row-actions { white-space: nowrap; text-align: right; }
.inv-assistant  { max-width: 760px; display: flex; flex-direction: column; gap: 1rem; }
.inv-steps      { padding-left: 1.25rem; display: flex; flex-direction: column; gap: .35rem; color: var(--c-text2); font-size: .9rem; }
.inv-feed       { display: flex; gap: .5rem; }
.inv-feed input { flex: 1; font-family: ui-monospace, monospace; font-size: .8rem; }
@media (max-width: 768px) {
  .inv-summary  { grid-template-columns: 1fr 1fr; }
  .inv-grid     { grid-template-columns: 1fr; }
}

/* ── Tableau d'inspiration ───────────────────────────────── */
.page-inspiration { max-width: 1200px; }
.insp-analysis { background: var(--c-surface); border: 1px solid var(--c-border); border-top: 3px solid var(--c-secondary); border-radius: var(--radius-lg); padding: 1.25rem 1.5rem; margin-bottom: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.insp-analysis-empty { flex-direction: row; align-items: center; border-top-color: var(--c-border); color: var(--c-text2); font-size: .9rem; }
.insp-analysis-empty span { font-size: 1.75rem; }
.insp-analysis-head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.insp-analysis-head h3 { font-size: 1.25rem; font-weight: 700; margin-top: .4rem; }
.insp-meta { font-size: .78rem; color: var(--c-text3); margin-top: .2rem; }
.insp-coherence { display: flex; flex-direction: column; align-items: flex-end; gap: .35rem; min-width: 160px; }
.insp-meter { width: 160px; height: 6px; background: var(--c-surface2); border-radius: 999px; overflow: hidden; }
.insp-meter span { display: block; height: 100%; background: var(--c-secondary); border-radius: 999px; }
.insp-palette { margin-bottom: 1rem; }
.insp-advice { font-size: .875rem; color: var(--c-text2); background: var(--c-primary-l); padding: .6rem .85rem; border-radius: var(--radius-sm); }
.insp-analysis-actions { display: flex; gap: .5rem; }
.insp-grid { columns: 4 240px; column-gap: 1rem; }
.insp-card { break-inside: avoid; margin-bottom: 1rem; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden; }
.insp-card-outlier { border-color: var(--c-warning); }
.insp-thumb { position: relative; background: var(--c-surface2); cursor: zoom-in; min-height: 120px; display: flex; align-items: center; justify-content: center; font-size: 2.5rem; }
.insp-thumb img { width: 100%; display: block; }
.insp-flag { position: absolute; top: .5rem; left: .5rem; background: var(--c-warning); color: #fff; font-size: .65rem; font-weight: 700; padding: .1rem .45rem; border-radius: 999px; text-transform: uppercase; }
.insp-body { padding: .75rem .85rem; display: flex; flex-direction: column; gap: .45rem; }
.insp-title { display: flex; justify-content: space-between; gap: .5rem; align-items: flex-start; }
.insp-title h4 { font-size: .9rem; font-weight: 600; line-height: 1.3; }
.insp-source { font-size: .75rem; }
.insp-note { font-size: .8rem; color: var(--c-text2); }
.insp-color-inputs { display: flex; gap: .4rem; }
.insp-color-inputs input { width: 44px; height: 32px; padding: 0; border: 1px solid var(--c-border); border-radius: var(--radius-sm); cursor: pointer; }
.insp-color-inputs input[data-set="0"] { opacity: .35; }
.insp-form { display: flex; flex-direction: column; gap: .9rem; }

/* ── Comparateur de produits ─────────────────────────────── */
.cmp-need { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 1.1rem 1.25rem; }
.cmp-table th:first-child { background: none; width: 120px; }
.cmp-table tbody th { font-size: .75rem; font-weight: 600; color: var(--c-text2); text-transform: uppercase; letter-spacing: .04em; text-align: left; padding: .65rem .85rem; border-bottom: 1px solid var(--c-border); white-space: nowrap; }
.cmp-table td, .cmp-table thead th { min-width: 190px; vertical-align: top; }
.cmp-table .cmp-chosen { background: var(--c-success-l); }
.cmp-product-head { display: flex; flex-direction: column; gap: .4rem; text-transform: none; letter-spacing: 0; font-size: .85rem; color: var(--c-text); white-space: normal; }
.cmp-product-head img { width: 100%; max-width: 180px; height: 120px; object-fit: contain; background: #fff; border-radius: var(--radius-sm); }
.cmp-noimg { font-size: 2rem; }
.cmp-price { font-size: 1.1rem; }
.cmp-best { color: var(--c-success); font-weight: 700; }
.cmp-price-meta { display: flex; flex-direction: column; align-items: flex-start; gap: .2rem; margin-top: .3rem; color: var(--c-text3); }
.cmp-error { color: var(--c-warning); }
.cmp-stars { font-weight: 600; }
.cmp-text { font-size: .8rem; color: var(--c-text2); white-space: pre-line; }
.cmp-actions { display: flex; flex-wrap: wrap; gap: .25rem; }
.cmp-dims { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.cmp-spark { width: 100%; height: auto; margin-bottom: 1rem; }
.cmp-spark-grid { stroke: var(--c-border); stroke-dasharray: 3 3; }
.cmp-spark-line { fill: none; stroke: var(--c-primary); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.cmp-spark-dot { fill: var(--c-primary); stroke: var(--c-surface); stroke-width: 2; }
.cmp-spark-dot:hover { r: 6; }
.cmp-spark-label { font-size: 11px; fill: var(--c-text2); }
@media (max-width: 768px) {
  .insp-analysis-head { flex-direction: column; }
  .insp-coherence { align-items: flex-start; }
}

/* ── Avant / après & plan coté ───────────────────────────── */
.before-picker { display: flex; gap: .5rem; flex-wrap: wrap; margin: .5rem 0 1.25rem; }
.before-thumb { width: 84px; height: 64px; border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; position: relative; border: 2px solid var(--c-border); transition: border-color var(--transition); }
.before-thumb input[type="radio"] { position: absolute; opacity: 0; }
.before-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.before-thumb:has(input:checked) { border-color: var(--c-primary); box-shadow: 0 0 0 2px var(--c-primary-l); }
.before-upload { display: flex; flex-direction: column; align-items: center; justify-content: center; border-style: dashed; color: var(--c-text2); font-size: 1.1rem; }
.before-upload small { font-size: .7rem; }
.ba-compare { position: relative; aspect-ratio: 3 / 2; border-radius: 8px; overflow: hidden; background: var(--c-surface2); user-select: none; }
.ba-compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba-compare .ba-before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.ba-compare::after { content: ''; position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px; background: #fff; box-shadow: 0 0 6px rgba(0,0,0,.4); pointer-events: none; }
.ba-compare input[type="range"] { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.ba-label { position: absolute; top: .5rem; left: .5rem; padding: .15rem .5rem; border-radius: 999px; background: rgba(0,0,0,.55); color: #fff; font-size: .75rem; pointer-events: none; }
.ba-label-after { left: auto; right: .5rem; }
.ba-single { width: 100%; border-radius: 8px; display: block; margin-bottom: .5rem; }
.plan-select { width: auto; max-width: 280px; }
.plan-layout { display: grid; grid-template-columns: 220px 1fr; gap: 1.5rem; align-items: start; }
.plan-dims { display: flex; flex-direction: column; gap: .25rem; }
.room-plan-svg { width: 100%; max-height: 420px; display: block; margin-bottom: .75rem; }
.plan-room { fill: var(--c-surface); stroke: var(--c-text2); }
.plan-rug  { fill: var(--c-surface2); stroke: var(--c-text3); }
.plan-item rect { fill-opacity: .7; stroke: var(--c-text2); }
.plan-item text { fill: var(--c-text); }
.plan-dim line { stroke: var(--c-text3); }
.plan-dim text { fill: var(--c-text2); }
.plan-verdict { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; font-size: .85rem; color: var(--c-text2); margin-bottom: .75rem; }
.fit-table { width: 100%; border-collapse: collapse; font-size: .825rem; }
.fit-table th, .fit-table td { padding: .4rem .5rem; border-bottom: 1px solid var(--c-border); text-align: left; }
.fit-table th { font-weight: 600; color: var(--c-text2); }
.fit-table small { color: var(--c-text3); }
@media (max-width: 768px) {
  .plan-layout { grid-template-columns: 1fr; }
}

/* ── Travaux & budget ─────────────────────────────────────────────────────── */
.bw-gauge-col   { width: 140px; }
.bw-gauge       { position: relative; display: flex; height: 8px; min-width: 110px; background: var(--c-surface2); border-radius: 999px; overflow: hidden; }
.bw-gauge-spent { background: var(--c-success); }
.bw-gauge-committed { background: var(--c-warning); opacity: .6; }
.bw-gauge.warn .bw-gauge-spent { background: var(--c-warning); }
.bw-gauge.over .bw-gauge-spent { background: var(--c-danger); }
.bw-negative    { color: var(--c-danger); font-weight: 600; }
.bw-dot         { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: .4rem; vertical-align: middle; }
.bw-status      { font-size: .8rem; padding: .2rem .35rem; }
.bw-timeline-head { display: flex; justify-content: space-between; font-size: .75rem; color: var(--c-text2); margin: 0 0 .5rem calc(40% + .75rem); }
.bw-planning    { display: flex; flex-direction: column; gap: .4rem; }
.bw-step        { display: grid; grid-template-columns: 40% 1fr auto; gap: .75rem; align-items: center; padding: .55rem .75rem; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); }
.bw-step-done   { opacity: .6; }
.bw-step-info   { min-width: 0; }
.bw-track       { position: relative; height: 18px; background: var(--c-surface2); border-radius: var(--radius-sm); }
.bw-bar         { position: absolute; top: 3px; bottom: 3px; background: var(--c-primary); border-radius: 4px; }
.bw-step-done .bw-bar { background: var(--c-success); }
.bw-today       { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--c-danger); z-index: 1; }
@media (max-width: 768px) {
  .bw-step          { grid-template-columns: 1fr; }
  .bw-timeline-head { margin-left: 0; }
}