:root{--bg: #f4f6fb;--surface: #ffffff;--surface-2: #f0f3f9;--line: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #176b87;--primary-ink: #ffffff;--sidebar: #0f2436;--sidebar-ink: #cdd9e5;--sidebar-active: #176b87;--blue: #2563eb;--green: #16a34a;--amber: #d97706;--violet: #7c3aed;--danger: #dc2626;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}.login-screen{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0f2436,#176b87);padding:24px}.login-card{width:360px;max-width:100%;background:var(--surface);border-radius:16px;padding:32px 28px;box-shadow:0 20px 60px #00000040;display:flex;flex-direction:column;gap:14px}.login-card-wide{width:560px}.login-card form{display:flex;flex-direction:column;gap:14px}.login-switch{text-align:center;font-size:13px;color:var(--muted);margin:4px 0 0}.login-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.login-check input{width:16px;height:16px}.captcha-row{display:flex;align-items:center;gap:8px}.captcha-img{height:56px;width:170px;border-radius:8px;border:1px solid var(--line);background:#eef2f7}.captcha-loading{display:inline-block}.captcha-reload{font-size:18px;padding:6px 12px;line-height:1}.policy-text{white-space:pre-wrap;font-size:13px;line-height:1.5;color:var(--text);max-height:60vh;overflow-y:auto;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:14px}.login-brand{font-size:30px;font-weight:800;color:var(--primary);letter-spacing:-.5px}.login-sub{margin:-8px 0 8px;color:var(--muted)}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--muted)}.field{min-width:0}.field input,.field select,.field textarea{width:100%;min-width:0;box-sizing:border-box;border:1px solid var(--line);border-radius:9px;padding:10px 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18px;letter-spacing:-.5px}.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1}.nav-link{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;color:var(--sidebar-ink);text-decoration:none;font-size:14px;font-weight:600}.nav-link:hover{background:#ffffff0f;color:#fff}.nav-link.active{background:var(--sidebar-active);color:#fff}.nav-icon{width:18px;text-align:center;opacity:.9}.sidebar-user{display:flex;align-items:center;gap:10px;border-top:1px solid rgba(255,255,255,.1);padding-top:14px}.avatar-pill{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px}.user-meta{display:flex;flex-direction:column;line-height:1.2;flex:1;min-width:0}.user-meta strong{font-size:13px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-meta span{font-size:12px;color:var(--sidebar-ink)}.sidebar-user .btn-ghost{border-color:#fff3;color:var(--sidebar-ink)}.content{overflow-y:auto;padding:28px 32px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-head h1{margin:0;font-size:26px}.eyebrow{margin:0 0 2px;font-size:12px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--muted)}.hint{color:var(--muted);font-size:13px;margin:-6px 0 14px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:26px}.kpi-card{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--muted);border-radius:12px;padding:16px 18px;display:flex;flex-direction:column;gap:8px;min-height:92px}.kpi-card.accent-blue{border-top-color:var(--blue)}.kpi-card.accent-green{border-top-color:var(--green)}.kpi-card.accent-amber{border-top-color:var(--amber)}.kpi-card.accent-violet{border-top-color:var(--violet)}.kpi-label{font-size:13px;color:var(--muted);font-weight:600}.kpi-value{font-size:24px;font-weight:800;letter-spacing:-.5px}.kpi-card.skeleton{background:linear-gradient(90deg,#eef2f7,#f7fafc,#eef2f7);border-color:transparent;border-top-color:transparent}.panel-block{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px}.panel-block h2{margin:0 0 12px;font-size:17px}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th,.data-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}.data-table th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}.data-table 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4px}.muted-text{color:var(--muted)}.estado-activo,.estado-pagada,.estado-aprobada,.estado-confirmado{background:#dcfce7;color:#15803d}.estado-pendiente,.estado-pendiente_firma,.estado-parcial{background:#fef3c7;color:#b45309}.estado-mora,.estado-rechazada,.estado-vencida,.estado-anulada{background:#fee2e2;color:#b91c1c}.estado-pagado{background:#e0f2fe;color:#0369a1}.estado-saldada{background:#ede9fe;color:#6d28d9}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:grid;place-items:center;padding:24px;z-index:50}.modal{width:560px;max-width:100%;background:var(--surface);border-radius:14px;padding:24px;box-shadow:0 24px 70px #0000004d;display:flex;flex-direction:column;gap:14px;max-height:90vh;overflow-y:auto}.modal h2{margin:0;font-size:19px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.modal select,.modal input{border:1px solid var(--line);border-radius:9px;padding:9px 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var(--line);border-radius:12px;display:flex;flex-direction:column;overflow:hidden}.chat-panel-head{padding:14px 16px;border-bottom:1px solid var(--line);font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:12px}.chat-empty{margin:auto;color:var(--muted);padding:24px}.chat-thread{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.chat-msg{display:flex;flex-direction:column;max-width:70%}.chat-msg.mine{align-self:flex-end;align-items:flex-end}.chat-msg.theirs{align-self:flex-start}.chat-bubble{padding:9px 13px;border-radius:14px;font-size:14px;line-height:1.35;white-space:pre-wrap;word-break:break-word}.chat-msg.mine .chat-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.chat-msg.theirs .chat-bubble{background:var(--surface-2);color:var(--text);border-bottom-left-radius:4px}.chat-time{font-size:11px;color:var(--muted);margin-top:2px}.chat-composer{display:flex;gap:8px;padding:12px;border-top:1px solid 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