@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --bg: #0d0f14;
  --bg2: #13161e;
  --bg3: #1a1e29;
  --border: #252a38;
  --border2: #2e3447;
  --text: #e8ecf4;
  --text2: #8892a8;
  --text3: #535d73;
  --accent: #6c8fff;
  --accent2: #4f6ee8;
  --green: #34d399;
  --red: #f87171;
  --orange: #fb923c;
  --yellow: #fbbf24;
  --purple: #a78bfa;
  --card-shadow: 0 4px 24px rgba(0,0,0,0.4);
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-w: 240px;
  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

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

html { font-size: 15px; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 99px; }

/* SIDEBAR */
#sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; margin-bottom: 10px;
}

.sidebar-logo h1 {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.sidebar-logo p {
  font-size: 0.72rem;
  color: var(--text3);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 20px;
}

.nav-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  padding: 0 10px;
  margin-bottom: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text2);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  position: relative;
}

.nav-item:hover { background: var(--bg3); color: var(--text); }

.nav-item.active {
  background: rgba(108, 143, 255, 0.12);
  color: var(--accent);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 3px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.nav-item .nav-icon { font-size: 1rem; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.72rem;
  color: var(--text3);
  text-align: center;
}

/* MAIN CONTENT */
#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
}

.topbar-actions { display: flex; gap: 10px; align-items: center; }

#content {
  padding: 32px;
  flex: 1;
}

/* PAGES */
.page { display: none; animation: fadeIn 0.3s ease; }
.page.active { display: block; }

@keyframes fadeIn { from { opacity:0; transform: translateY(8px); } to { opacity:1; transform: translateY(0); } }

/* CARDS */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition);
}

.card:hover { border-color: var(--border2); }

.card-title {
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* STAT CARDS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  border-radius: 50%;
  opacity: 0.07;
  transform: translate(20px, -20px);
}

.stat-card.blue::before { background: var(--accent); }
.stat-card.green::before { background: var(--green); }
.stat-card.orange::before { background: var(--orange); }
.stat-card.purple::before { background: var(--purple); }

.stat-card:hover { border-color: var(--border2); transform: translateY(-2px); box-shadow: var(--card-shadow); }

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-card.blue .stat-value { color: var(--accent); }
.stat-card.green .stat-value { color: var(--green); }
.stat-card.orange .stat-value { color: var(--orange); }
.stat-card.purple .stat-value { color: var(--purple); }

.stat-sub { font-size: 0.78rem; color: var(--text3); }

/* GRID LAYOUTS */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); }

.btn-ghost {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border2); background: var(--border); }

.btn-danger {
  background: rgba(248,113,113,0.1);
  color: var(--red);
  border: 1px solid rgba(248,113,113,0.2);
}
.btn-danger:hover { background: rgba(248,113,113,0.2); }

.btn-success {
  background: rgba(52,211,153,0.1);
  color: var(--green);
  border: 1px solid rgba(52,211,153,0.2);
}
.btn-success:hover { background: rgba(52,211,153,0.2); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 24px; font-size: 0.95rem; }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }

/* FORMS */
.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 7px;
}

input, select, textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 143, 255, 0.1);
}

select option { background: var(--bg3); }
textarea { resize: vertical; min-height: 80px; }

/* TABLE */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }

table { width: 100%; border-collapse: collapse; }

th {
  background: var(--bg3);
  padding: 12px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text3);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 13px 16px;
  font-size: 0.87rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge-green { background: rgba(52,211,153,0.12); color: var(--green); }
.badge-red { background: rgba(248,113,113,0.12); color: var(--red); }
.badge-orange { background: rgba(251,146,60,0.12); color: var(--orange); }
.badge-blue { background: rgba(108,143,255,0.12); color: var(--accent); }
.badge-gray { background: var(--bg3); color: var(--text3); }

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.96) translateY(10px);
  transition: transform var(--transition);
}

.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-header {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
}

.modal-body { padding: 24px 28px; }
.modal-footer {
  padding: 16px 28px 24px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  border-top: 1px solid var(--border);
}

/* TABS */
.tabs { display: flex; gap: 4px; margin-bottom: 24px; background: var(--bg3); padding: 4px; border-radius: var(--radius-sm); width: fit-content; }

.tab {
  padding: 8px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text3);
  transition: all var(--transition);
  border: none;
  background: none;
}

.tab.active { background: var(--bg2); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,0.3); }
.tab:hover:not(.active) { color: var(--text2); }

/* SECTION HEADER */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
}

.section-sub { font-size: 0.82rem; color: var(--text3); margin-top: 3px; }

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text3);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-family: 'Syne', sans-serif; font-size: 1rem; color: var(--text2); margin-bottom: 8px; }
.empty-state p { font-size: 0.85rem; }

/* APARTMENT CARD */
.appart-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.appart-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  opacity: 0;
  transition: opacity var(--transition);
}
.appart-card:hover { border-color: var(--border2); transform: translateY(-3px); box-shadow: var(--card-shadow); }
.appart-card:hover::after { opacity: 1; }

.appart-name { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1rem; margin-bottom: 6px; }
.appart-addr { font-size: 0.82rem; color: var(--text3); margin-bottom: 14px; }
.appart-meta { display: flex; gap: 16px; font-size: 0.8rem; color: var(--text2); }
.appart-loyer { font-family: 'Syne', sans-serif; font-size: 1.4rem; font-weight: 800; color: var(--accent); margin-top: 14px; }
.appart-loyer span { font-size: 0.8rem; font-weight: 400; color: var(--text3); font-family: 'DM Sans', sans-serif; }

/* TIMELINE/ACTIVITY */
.activity-item {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.activity-item:last-child { border-bottom: none; }
.activity-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-top: 5px;
  flex-shrink: 0;
}

/* QUITTANCE PREVIEW */
#quittance-preview {
  background: white;
  color: #1a1a1a;
  padding: 50px;
  border-radius: 8px;
  max-width: 794px;
  margin: 0 auto;
  font-family: 'DM Sans', sans-serif;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* CHART */
.chart-container {
  position: relative;
  height: 220px;
}

/* TOAST */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.87rem;
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--card-shadow);
  animation: toastIn 0.3s ease;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes toastIn { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: translateX(0); } }

/* SEARCH BAR */
.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  width: 260px;
  transition: border-color var(--transition);
}
.search-bar:focus-within { border-color: var(--accent); }
.search-bar input { background: none; border: none; padding: 0; font-size: 0.87rem; width: 100%; }
.search-bar input:focus { box-shadow: none; }

/* MOBILE */
#menu-toggle { display: none; }

@media (max-width: 900px) {
  :root { --sidebar-w: 0px; }
  #sidebar { transform: translateX(-240px); width: 240px; }
  #sidebar.open { transform: translateX(0); }
  #main { margin-left: 0; }
  #menu-toggle { display: flex; }
  #content { padding: 20px; }
  .form-row, .form-row-3, .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Dividers */
.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

/* Loading */
.loading { display: flex; align-items: center; justify-content: center; padding: 40px; }
.spinner { width: 30px; height: 30px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Highlight */
.highlight { background: rgba(108,143,255,0.08); border-left: 3px solid var(--accent); padding: 14px 18px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

/* Fieldset style sections */
.section-block { background: var(--bg3); border-radius: var(--radius-sm); padding: 20px; margin-bottom: 20px; border: 1px solid var(--border); }
.section-block-title { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text3); margin-bottom: 16px; }

/* =================== DOCUMENTS PAGE =================== */
.grid-3-docs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 4px;
}
@media (max-width:900px) { .grid-3-docs { grid-template-columns: 1fr; } }

.doc-type-card {
  background: var(--bg2);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.doc-type-card:hover { border-color: var(--accent); background: var(--bg3); }
.doc-type-card.active { border-color: var(--accent); background: rgba(108,143,255,0.1); }
.doc-type-icon { font-size: 2rem; margin-bottom: 10px; }
.doc-type-title { font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
.doc-type-sub { font-size: 0.78rem; color: var(--text3); }

/* =================== DOCUMENT PRINT STYLES =================== */
.doc-print {
  background: white;
  color: #1a1a1a;
  padding: 40px;
  font-family: 'Times New Roman', serif;
  font-size: 11pt;
  line-height: 1.5;
  min-height: 297mm;
}
.doc-print h1 { text-align:center; font-size:14pt; text-transform:uppercase; letter-spacing:2px; margin-bottom:6px; }
.doc-print h2 { font-size:11pt; text-transform:uppercase; border-bottom:1px solid #333; padding-bottom:3px; margin:16px 0 8px; }
.doc-print h3 { font-size:10.5pt; margin:10px 0 4px; }
.doc-print p { margin:4px 0; }
.doc-print .parties-block { background:#f8f8f8; padding:12px 16px; border-left:3px solid #555; margin:12px 0; }
.doc-print .signature-row { display:flex; gap:40px; margin-top:30px; }
.doc-print .signature-box { flex:1; border-top:1px solid #333; padding-top:8px; font-size:10pt; }
.doc-print .field { border-bottom:1px dotted #555; display:inline-block; min-width:120px; }
.doc-print .legal { font-size:8.5pt; color:#555; margin-top:12px; }

/* Inventaire table */
.inv-table { width:100%; border-collapse:collapse; font-size:9.5pt; margin:8px 0; }
.inv-table th { background:#f0f0f0; padding:6px 8px; text-align:left; font-weight:700; border:1px solid #ccc; }
.inv-table td { padding:5px 8px; border:1px solid #ddd; }
.inv-table tr:nth-child(even) td { background:#fafafa; }
.inv-section-header td { background:#333; color:white; font-weight:700; font-size:9pt; text-transform:uppercase; letter-spacing:0.05em; }

/* EDL page */
.edl-room { margin-bottom:16px; }
.edl-room-title { font-weight:700; font-size:10.5pt; background:#eee; padding:5px 10px; margin:0; }
.edl-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; padding:8px; border:1px solid #ccc; }
.edl-field { display:flex; flex-direction:column; gap:2px; }
.edl-field label { font-size:8.5pt; font-weight:700; color:#444; }
.edl-field .line { border-bottom:1px solid #999; min-height:20px; }

@media print {
  #sidebar, #topbar, .modal-footer, #toast-container { display:none !important; }
  .modal-overlay { position:static !important; background:none !important; display:block !important; }
  .modal { box-shadow:none !important; max-width:100% !important; border:none !important; }
  .modal-header { display:none !important; }
  .modal-body { max-height:none !important; overflow:visible !important; padding:0 !important; background:white !important; }
  .doc-print { padding:10mm; }
}