:root{--bg: #f4f6f8;--surface: #ffffff;--border: #dfe3e8;--text: #1c2733;--text-muted: #5b6b7a;--primary: #1f3a5f;--primary-dark: #16283f;--accent: #2f6f4e;--danger: #b3261e;--warning: #a86400;--success-bg: #e6f4ea;--success-text: #1e6b3c;--warning-bg: #fdf1de;--warning-text: #8a5300;--danger-bg: #fbe9e7;--danger-text: #a3291f;--radius: 8px;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,Arial,sans-serif}*{box-sizing:border-box}html{scrollbar-gutter:stable}body{margin:0;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary)}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--primary-dark);color:#e7edf3;padding:20px 0;display:flex;flex-direction:column}.sidebar-brand{font-size:18px;font-weight:700;padding:0 20px 20px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:12px}.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}.sidebar nav a{color:#c7d3de;text-decoration:none;padding:10px 20px;font-size:13.5px;border-left:3px solid transparent}.sidebar nav a:hover{background:#ffffff0f;color:#fff}.sidebar nav a.active{background:#ffffff1a;border-left-color:var(--accent);color:#fff;font-weight:600}.sidebar-footer{padding:12px 20px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:#a9b8c6}.sidebar-footer button{margin-top:8px;background:transparent;border:1px solid rgba(255,255,255,.25);color:#e7edf3;border-radius:var(--radius);padding:6px 10px;cursor:pointer;width:100%}.sidebar-footer button:hover{background:#ffffff14}.main{padding:28px 36px;width:100%}.page-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px}.page-header h1{font-size:21px;margin:0;color:var(--primary-dark)}.page-subtitle{color:var(--text-muted);font-size:13px;margin-top:4px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:20px;overflow-x:auto}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}.stat-card .label{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:6px}.stat-card .value{font-size:26px;font-weight:700;color:var(--primary-dark)}table{width:100%;border-collapse:collapse;font-size:13.5px}thead th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);border-bottom:1px solid var(--border);padding:8px 10px;background:#fafbfc}tbody td{padding:9px 10px;border-bottom:1px solid #eef1f4}tbody tr:hover{background:#f8fafc}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600}.badge-paye{background:var(--success-bg);color:var(--success-text)}.badge-partiel{background:var(--warning-bg);color:var(--warning-text)}.badge-impaye{background:var(--danger-bg);color:var(--danger-text)}.badge-ajour{background:var(--success-bg);color:var(--success-text)}.badge-retard{background:var(--danger-bg);color:var(--danger-text)}button,.btn{font-family:inherit;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);padding:8px 14px;font-size:13.5px;cursor:pointer;color:var(--text)}button:hover{background:#f2f5f8}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:var(--danger-bg);border-color:#f3c9c5;color:var(--danger-text)}.btn-small{padding:4px 9px;font-size:12px}input,select,textarea{font-family:inherit;font-size:13.5px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;color:var(--text);width:100%}label{display:block;font-size:12.5px;color:var(--text-muted);margin-bottom:4px;font-weight:600}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:14px}.field{margin-bottom:0}.form-actions{display:flex;gap:10px;margin-top:6px}.alert{padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:14px}.alert-error{background:var(--danger-bg);color:var(--danger-text);border:1px solid #f3c9c5}.alert-success{background:var(--success-bg);color:var(--success-text);border:1px solid #bfe3cb}.alert-info{background:#eaf1fb;color:#1f3a5f;border:1px solid #cfdff3}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--primary-dark),var(--primary))}.login-card{background:#fff;border-radius:12px;padding:34px 38px;width:360px;box-shadow:0 20px 50px #00000040}.login-card h1{font-size:20px;margin:0 0 4px;color:var(--primary-dark)}.login-card .subtitle{color:var(--text-muted);font-size:13px;margin-bottom:22px}.login-card .field{margin-bottom:14px}.text-muted{color:var(--text-muted)}.mt-0{margin-top:0}.flex-between{display:flex;justify-content:space-between;align-items:center}.link-button{background:none;border:none;color:var(--primary);cursor:pointer;padding:0;font-size:13px;text-decoration:underline}