:root{--pcg-orange: #FF5538;--pcg-orange-light: #FF7A5F;--pcg-orange-dark: #E64628;--pcg-beige-light: #F5EFE0;--pcg-beige-medium: #E8DCC8;--pcg-caramel: #C4A77D;--pcg-caramel-dark: #A9854D;--pcg-navy: #0A2540;--pcg-navy-light: #162438;--pcg-white: #FFFFFF;--pcg-white-gray: #F5F3EE;--pcg-text-primary: #1A1A1A;--pcg-text-secondary: #4A5568;--pcg-text-muted: #718096;--pcg-border: #E2E8F0;--pcg-shadow-sm: 0 1px 3px rgba(0,0,0,.08);--pcg-shadow: 0 4px 12px rgba(0,0,0,.1);--pcg-shadow-lg: 0 10px 40px rgba(0,0,0,.15);--pcg-radius-sm: 8px;--pcg-radius: 12px;--pcg-radius-lg: 20px;--pcg-success: #1E9E6C;--pcg-success-bg: #E7F7EF;--pcg-warning: #C77A1F;--pcg-warning-bg: #FDF1E1;--pcg-danger: #D64545;--pcg-danger-bg: #FBE9E9}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:Plus Jakarta Sans,sans-serif;background:var(--pcg-white-gray);color:var(--pcg-text-primary);line-height:1.6}a{text-decoration:none;color:inherit}button,input,select,textarea{font-family:inherit;font-size:14px}button{cursor:pointer;border:1px solid var(--pcg-border);background:var(--pcg-white);color:var(--pcg-text-primary);padding:9px 16px;border-radius:var(--pcg-radius-sm);font-weight:600;transition:all .2s ease}button:hover{border-color:var(--pcg-orange);color:var(--pcg-orange-dark)}button:active{transform:scale(.98)}button.primary{background:var(--pcg-orange);border-color:var(--pcg-orange);color:var(--pcg-white)}button.primary:hover{background:var(--pcg-orange-dark);border-color:var(--pcg-orange-dark);color:var(--pcg-white)}button.ghost{background:transparent;border-color:transparent;color:var(--pcg-text-secondary)}button.ghost:hover{background:var(--pcg-beige-light);color:var(--pcg-navy)}input,select,textarea{border:1px solid var(--pcg-border);border-radius:var(--pcg-radius-sm);padding:9px 12px;background:var(--pcg-white);color:var(--pcg-text-primary);width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--pcg-orange);box-shadow:0 0 0 3px #ff55381f}.card{background:var(--pcg-white);border:1px solid var(--pcg-border);border-radius:var(--pcg-radius);box-shadow:var(--pcg-shadow-sm);padding:1.25rem}.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}.badge.en_cours,.badge.en_attente,.badge.envoyee{background:var(--pcg-warning-bg);color:var(--pcg-warning)}.badge.termine,.badge.payee,.badge.acceptee{background:var(--pcg-success-bg);color:var(--pcg-success)}.badge.annule,.badge.refusee,.badge.en_retard{background:var(--pcg-danger-bg);color:var(--pcg-danger)}.badge.brouillon{background:var(--pcg-beige-light);color:var(--pcg-caramel-dark)}.app-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--pcg-navy);color:var(--pcg-white);padding:1.5rem 1rem;display:flex;flex-direction:column;gap:4px}.sidebar .brand{font-weight:800;font-size:16px;margin-bottom:1.5rem;color:var(--pcg-white)}.sidebar .brand span{color:var(--pcg-orange)}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--pcg-radius-sm);color:#ffffffbf;font-weight:600;font-size:14px}.nav-link:hover{background:#ffffff0f;color:var(--pcg-white)}.nav-link.active{background:var(--pcg-orange);color:var(--pcg-white)}.main-content{padding:1.75rem 2rem}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.page-header h1{font-size:22px;font-weight:800;color:var(--pcg-navy)}table.data-table{width:100%;border-collapse:collapse}table.data-table th{text-align:left;font-size:12px;color:var(--pcg-text-muted);font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:8px 10px;border-bottom:2px solid var(--pcg-border)}table.data-table td{padding:12px 10px;border-bottom:1px solid var(--pcg-border);font-size:14px}table.data-table tr.clickable{cursor:pointer}table.data-table tr.clickable:hover{background:var(--pcg-beige-light)}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--pcg-border);margin-bottom:1rem}.tab{padding:8px 14px;font-size:13px;font-weight:600;color:var(--pcg-text-secondary);border-bottom:2px solid transparent;cursor:pointer}.tab.active{color:var(--pcg-orange-dark);border-bottom-color:var(--pcg-orange)}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}.metric-card{background:var(--pcg-white);border-radius:var(--pcg-radius);padding:1.25rem;box-shadow:var(--pcg-shadow-sm)}.metric-card .label{font-size:13px;color:var(--pcg-text-muted);font-weight:600;margin-bottom:6px}.metric-card .value{font-size:26px;font-weight:800;color:var(--pcg-navy)}.metric-card.positive .value{color:var(--pcg-success)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a254073;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--pcg-white);border-radius:var(--pcg-radius-lg);padding:1.75rem;width:480px;max-height:85vh;overflow-y:auto;box-shadow:var(--pcg-shadow-lg)}.modal h2{color:var(--pcg-navy);font-size:18px;margin-bottom:1rem}.form-row{margin-bottom:12px}.form-row label{display:block;font-size:13px;font-weight:600;color:var(--pcg-text-secondary);margin-bottom:4px}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--pcg-navy) 0%,var(--pcg-navy-light) 100%)}.login-card{background:var(--pcg-white);border-radius:var(--pcg-radius-lg);padding:2.5rem;width:380px;box-shadow:var(--pcg-shadow-lg);text-align:center}.login-card .logo-mark{width:52px;height:52px;border-radius:var(--pcg-radius);background:var(--pcg-orange);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;color:var(--pcg-white);font-weight:800;font-size:20px}.login-card h1{font-size:18px;color:var(--pcg-navy);margin-bottom:4px}.login-card p.subtitle{font-size:13px;color:var(--pcg-text-muted);margin-bottom:1.5rem}.login-card .form-row{text-align:left}.login-card button.primary{width:100%;margin-top:8px;padding:11px}.login-error{background:var(--pcg-danger-bg);color:var(--pcg-danger);font-size:13px;padding:8px 12px;border-radius:var(--pcg-radius-sm);margin-bottom:12px}.nav-icon{font-size:16px;width:20px;text-align:center}.sidebar-user{display:flex;align-items:center;gap:10px;padding:14px 8px 10px;margin-bottom:6px;border-top:1px solid rgba(255,255,255,.1)}.avatar{width:32px;height:32px;border-radius:50%;background:var(--pcg-orange);color:var(--pcg-white);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}.sidebar-user-name{font-size:13px;font-weight:700;color:var(--pcg-white)}.sidebar-user-role{font-size:11px;color:#ffffff8c}.chat-bubble-row{display:flex;margin-bottom:12px}.chat-bubble-row.user{justify-content:flex-end}.chat-bubble-row.assistant{justify-content:flex-start}.chat-bubble{max-width:70%;padding:10px 14px;border-radius:var(--pcg-radius);font-size:14px;line-height:1.5}.chat-bubble p{margin:0 0 4px}.chat-bubble p:last-child{margin-bottom:0}.chat-bubble.user{background:var(--pcg-orange);color:var(--pcg-white);border-bottom-right-radius:4px}.chat-bubble.assistant{background:var(--pcg-beige-light);color:var(--pcg-text-primary);border-bottom-left-radius:4px}.chat-bubble.typing{color:var(--pcg-text-muted);font-weight:800;letter-spacing:2px}.card{transition:box-shadow .2s ease}.metric-card{transition:transform .15s ease}.metric-card:hover{transform:translateY(-2px)}.nav-link{transition:background .15s ease,color .15s ease}.file-icon{color:var(--pcg-caramel-dark)}.doc-row{display:flex;align-items:center;gap:8px;padding:8px 6px;font-size:13px;border-radius:6px}.doc-row:hover{background:var(--pcg-beige-light)}