:root{--bg-root: #0c0e14;--bg-sidebar: #12141c;--bg-card: #181b25;--bg-card-hover: #1e2230;--bg-input: #12141c;--border: #2a2d3a;--border-focus: #4f6ef7;--text-primary: #e8eaf0;--text-secondary: #8b8fa4;--text-muted: #5c6078;--accent: #4f6ef7;--accent-hover: #6b84ff;--accent-subtle: rgba(79, 110, 247, .12);--success: #34d399;--success-subtle: rgba(52, 211, 153, .12);--warning: #fbbf24;--warning-subtle: rgba(251, 191, 36, .12);--danger: #f87171;--danger-subtle: rgba(248, 113, 113, .12);--info: #60a5fa;--info-subtle: rgba(96, 165, 250, .12);--font-body: "DM Sans", -apple-system, system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--sidebar-width: 240px;--header-height: 64px;--radius: 10px;--radius-sm: 6px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--font-body);background:var(--bg-root);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{padding:24px 20px;border-bottom:1px solid var(--border)}.sidebar-brand h1{font-size:20px;font-weight:700;letter-spacing:-.5px;color:var(--text-primary)}.sidebar-brand h1 span{color:var(--accent)}.sidebar-brand small{display:block;font-size:11px;color:var(--text-muted);margin-top:2px;font-family:var(--font-mono)}.sidebar-nav{padding:16px 12px;flex:1;display:flex;flex-direction:column;gap:4px}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:all .15s}.sidebar-nav a:hover{background:var(--bg-card);color:var(--text-primary)}.sidebar-nav a.active{background:var(--accent-subtle);color:var(--accent)}.sidebar-nav a svg{width:18px;height:18px;flex-shrink:0}.sidebar-section-label{font-size:10px;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);padding:20px 12px 8px}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh}.page-header{padding:28px 32px 0}.page-header h2{font-size:24px;font-weight:700;letter-spacing:-.5px}.page-header p{color:var(--text-secondary);font-size:14px;margin-top:4px}.page-body{padding:24px 32px 40px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card-title{font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.kpi-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.kpi-card .kpi-label{font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.kpi-card .kpi-value{font-size:28px;font-weight:700;font-family:var(--font-mono);letter-spacing:-1px;margin-top:8px;line-height:1}.kpi-card .kpi-value.accent{color:var(--accent)}.kpi-card .kpi-value.success{color:var(--success)}.kpi-card .kpi-value.danger{color:var(--danger)}.kpi-card .kpi-value.warning{color:var(--warning)}.kpi-card .kpi-sub{font-size:12px;color:var(--text-muted);margin-top:6px}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}thead th{text-align:left;padding:10px 14px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border)}tbody td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--text-primary)}tbody tr:hover{background:var(--bg-card-hover)}tbody tr:last-child td{border-bottom:none}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge:before{content:"";width:6px;height:6px;border-radius:50%}.badge.paye{background:var(--success-subtle);color:var(--success)}.badge.paye:before{background:var(--success)}.badge.en_attente{background:var(--warning-subtle);color:var(--warning)}.badge.en_attente:before{background:var(--warning)}.badge.retard{background:var(--danger-subtle);color:var(--danger)}.badge.retard:before{background:var(--danger)}.badge.partiel{background:var(--info-subtle);color:var(--info)}.badge.partiel:before{background:var(--info)}.badge.occupee{background:var(--success-subtle);color:var(--success)}.badge.occupee:before{background:var(--success)}.badge.vacante{background:var(--danger-subtle);color:var(--danger)}.badge.vacante:before{background:var(--danger)}.btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;font-family:var(--font-body);cursor:pointer;transition:all .15s;border:1px solid transparent}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:transparent;border-color:var(--border);color:var(--text-secondary)}.btn-secondary:hover{border-color:var(--text-secondary);color:var(--text-primary)}.btn-success{background:var(--success);color:#0c0e14}.btn-success:hover{opacity:.9}.btn-sm{padding:5px 10px;font-size:12px}.btn-icon{padding:6px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all .15s}.btn-icon:hover{background:var(--bg-card-hover);color:var(--text-primary)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.3px}.form-input,.form-select{width:100%;padding:9px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-body);font-size:14px;transition:border-color .15s}.form-input:focus,.form-select:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-subtle)}.form-input::placeholder{color:var(--text-muted)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.alert-list{display:flex;flex-direction:column;gap:8px}.alert-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:500}.alert-item.warning{background:var(--warning-subtle);color:var(--warning)}.alert-item.danger{background:var(--danger-subtle);color:var(--danger)}.alert-item.info{background:var(--info-subtle);color:var(--info)}.alert-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.alert-item.warning .alert-dot{background:var(--warning)}.alert-item.danger .alert-dot{background:var(--danger)}.alert-item.info .alert-dot{background:var(--info)}.appart-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;margin-bottom:24px}.appart-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .15s}.appart-card:hover{border-color:var(--accent)}.appart-card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.appart-card-header h3{font-size:16px;font-weight:700}.appart-card-header .appart-meta{font-size:12px;color:var(--text-muted);font-family:var(--font-mono)}.chambre-row{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;border-bottom:1px solid var(--border);font-size:13px}.chambre-row:last-child{border-bottom:none}.chambre-row .chambre-info{display:flex;align-items:center;gap:10px}.chambre-row .chambre-loyer{font-family:var(--font-mono);font-weight:600;font-size:14px}.month-selector{display:flex;align-items:center;gap:12px;margin-bottom:24px}.month-selector button{background:transparent;border:1px solid var(--border);color:var(--text-secondary);padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer;font-size:16px;line-height:1;transition:all .15s}.month-selector button:hover{border-color:var(--accent);color:var(--accent)}.month-selector .current-month{font-size:16px;font-weight:600;min-width:160px;text-align:center}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .15s}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;width:90%;max-width:500px;max-height:85vh;overflow-y:auto;animation:slideUp .2s}.modal h3{font-size:18px;font-weight:700;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.quittance-preview{background:#fff;color:#1a1a1a;padding:40px;border-radius:var(--radius);max-width:700px;margin:0 auto;font-family:DM Sans,sans-serif}.quittance-preview h2{text-align:center;font-size:22px;border-bottom:2px solid #1a1a1a;padding-bottom:12px;margin-bottom:24px}.quittance-section{margin-bottom:20px}.quittance-section h4{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:#666;margin-bottom:6px}.quittance-amounts{border:1px solid #ddd;border-radius:6px;overflow:hidden;margin:16px 0}.quittance-amounts .row{display:flex;justify-content:space-between;padding:8px 16px;font-size:14px}.quittance-amounts .row:not(:last-child){border-bottom:1px solid #eee}.quittance-amounts .row.total{background:#f5f5f5;font-weight:700;font-size:16px}@media(max-width:768px){.sidebar{display:none}.main-content{margin-left:0}.kpi-grid{grid-template-columns:repeat(2,1fr)}.appart-grid{grid-template-columns:1fr}.page-header,.page-body{padding-left:16px;padding-right:16px}}.loading{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--text-muted);font-size:14px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite;margin-right:10px}@keyframes spin{to{transform:rotate(360deg)}}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}.toolbar-left{display:flex;align-items:center;gap:12px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state svg{width:48px;height:48px;margin-bottom:16px;opacity:.3}.empty-state p{font-size:14px}