:root{--primary: #1a365d;--primary-light: #2c5282;--primary-dark: #0f2440;--accent: #c53030;--accent-light: #e53e3e;--bg: #f7fafc;--bg-card: #ffffff;--text: #1a202c;--text-muted: #718096;--border: #e2e8f0;--border-focus: #4299e1;--success: #38a169;--success-bg: #f0fff4;--warning: #d69e2e;--warning-bg: #fffff0;--danger: #e53e3e;--danger-bg: #fff5f5;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 4px 14px rgba(0,0,0,.1);--radius: 8px;--font: "DM Sans", -apple-system, sans-serif;--mono: "JetBrains Mono", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--primary);color:#fff;padding:0;position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;z-index:100}.sidebar-brand{padding:24px 20px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-brand h1{font-size:15px;font-weight:700;letter-spacing:.02em;line-height:1.3}.sidebar-brand span{display:block;font-size:11px;font-weight:400;color:#ffffff80;margin-top:4px;text-transform:uppercase;letter-spacing:.1em}.sidebar-nav{padding:16px 12px;flex:1}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:6px;color:#ffffffa6;text-decoration:none;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;margin-bottom:2px;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:#ffffff14;color:#fff}.nav-item.active{background:#ffffff1f;color:#fff}.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:11px;color:#fff6}.main-content{margin-left:240px;flex:1;padding:32px 40px;max-width:1200px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.page-header h2{font-size:22px;font-weight:700;color:var(--primary)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-body{padding:24px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stat-card .label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-weight:600;margin-bottom:8px}.stat-card .value{font-size:26px;font-weight:700;color:var(--primary);font-family:var(--mono)}.stat-card .value.success{color:var(--success)}.stat-card .value.danger{color:var(--danger)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.form-control{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:var(--font);color:var(--text);background:#fff;transition:border-color .15s}.form-control:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #4299e126}select.form-control{cursor:pointer}textarea.form-control{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:none;border-radius:6px;font-size:13px;font-weight:600;font-family:var(--font);cursor:pointer;transition:all .15s;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-light)}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-light)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{opacity:.9}.btn-outline{background:#fff;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{background:var(--bg);border-color:var(--text-muted)}.btn-sm{padding:6px 12px;font-size:12px}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-ghost{background:none;border:none;color:var(--text-muted);padding:6px 10px}.btn-ghost:hover{color:var(--text);background:var(--bg)}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 16px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-weight:600;border-bottom:2px solid var(--border)}td{padding:12px 16px;font-size:13px;border-bottom:1px solid var(--border);vertical-align:middle}tr:hover td{background:#fafbfd}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.02em}.badge-brouillon{background:#edf2f7;color:#4a5568}.badge-emise{background:#ebf8ff;color:#2b6cb0}.badge-payee{background:var(--success-bg);color:#276749}.badge-annulee{background:var(--danger-bg);color:#c53030}.search-container{position:relative}.search-input{width:100%;padding:10px 14px 10px 40px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:var(--font);background:#fff}.search-input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #4299e126}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted)}.search-results{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--border);border-radius:6px;box-shadow:var(--shadow-lg);z-index:50;max-height:240px;overflow-y:auto}.search-result-item{padding:10px 14px;cursor:pointer;border-bottom:1px solid var(--border);font-size:13px}.search-result-item:hover{background:var(--bg)}.search-result-item:last-child{border-bottom:none}.search-result-item .sub{font-size:11px;color:var(--text-muted);margin-top:2px}.ligne-row{display:grid;grid-template-columns:2fr 120px 80px 100px 100px 40px;gap:8px;align-items:start;margin-bottom:8px;padding:12px;background:var(--bg);border-radius:6px;border:1px solid var(--border)}.ligne-row .form-control{padding:8px 10px;font-size:13px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);width:90%;max-width:600px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--border)}.modal-header h3{font-size:16px;font-weight:700}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 50%,var(--primary-light) 100%)}.login-card{background:#fff;border-radius:12px;padding:48px 40px;width:400px;box-shadow:0 20px 60px #0000004d}.login-card h1{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:4px}.login-card .subtitle{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:32px}.login-card .form-group{margin-bottom:20px}.login-card .btn{width:100%;justify-content:center;padding:12px;font-size:14px}.login-error{background:var(--danger-bg);color:var(--danger);padding:10px 14px;border-radius:6px;font-size:13px;margin-bottom:16px}.toast{position:fixed;bottom:24px;right:24px;padding:14px 20px;border-radius:8px;font-size:13px;font-weight:500;box-shadow:var(--shadow-lg);z-index:999;animation:slideIn .3s ease}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}@keyframes slideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0;padding:20px}.ligne-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state svg{margin-bottom:16px;opacity:.3}.empty-state p{font-size:14px}