:root{--primary:#8c7355;--primary-dark:#6f5b43;--bg:#fdfbf8;--card-bg:#fff;--text:#2c2825;--text-muted:#6f665f;--border:#e8e2da;--success:#557a60;--accent:#f97316}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg);color:var(--text);font-family:Inter,sans-serif;line-height:1.6}.app-container{background:var(--bg);min-height:100vh;margin:0}.app-header{background:var(--surface);border-bottom:1px solid var(--border);z-index:100;justify-content:space-between;align-items:center;padding:15px 20px;display:flex;position:sticky;top:0;box-shadow:0 4px 20px #00000008}.logo-container{align-items:center;gap:12px;display:flex}.logo{border:2px solid var(--border);border-radius:50%;width:45px;height:45px}.logo-container h1{color:var(--text);margin:0;font-family:Playfair Display,serif;font-size:1.2rem;font-weight:600}.badge{background:var(--primary);color:#fff;text-transform:uppercase;letter-spacing:1px;border-radius:20px;padding:3px 8px;font-size:.65rem;font-weight:600}.btn-logout{border:1px solid var(--danger);color:var(--danger);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:6px;padding:8px 15px;font-size:.9rem;font-weight:600;transition:all .3s;display:flex}.btn-logout:hover{background:var(--danger);color:#fff}.app-main{max-width:600px;margin:0 auto;padding:20px}.login-container{justify-content:center;align-items:center;padding:40px 0;display:flex}.login-card{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:20px;width:100%;max-width:400px;padding:40px;box-shadow:0 8px 30px #0000000d}.login-icon{color:var(--primary);margin-bottom:20px;font-size:3rem}.login-card h2{color:var(--text);margin:0 0 10px;font-family:Playfair Display,serif}.login-card p{color:var(--text-light);margin-bottom:30px;font-size:.95rem}.form-section{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;margin-bottom:20px;padding:25px;box-shadow:0 4px 6px #00000005}.highlight-section{border:2px solid var(--primary);background:#8c735508}.form-section h2{color:var(--primary);border-bottom:1px dashed var(--border);align-items:center;gap:10px;margin-bottom:20px;padding-bottom:10px;font-size:1.1rem;display:flex}.grid-2{grid-template-columns:1fr 1fr;gap:15px;display:grid}@media (width<=600px){.grid-2{grid-template-columns:1fr}.inner-grid{grid-template-columns:1fr 1fr}}.input-group{flex-direction:column;gap:5px;display:flex}.full-width{width:100%}label{color:var(--text-muted);font-size:.85rem;font-weight:600}input,select{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:12px 15px;font-family:inherit;font-size:1rem;transition:all .3s}input:focus,select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #8c73551a}small{color:var(--text-muted);font-size:.75rem}.btn-submit{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:10px;width:100%;margin-bottom:40px;padding:16px;font-size:1.1rem;font-weight:600;transition:all .3s;display:flex}.btn-submit:hover{background:var(--primary-dark)}.btn-submit:disabled{opacity:.7;cursor:not-allowed}.toast-container{z-index:9999;flex-direction:column;gap:10px;display:flex;position:fixed;top:20px;right:20px}.toast{background:var(--text);color:#fff;border-radius:8px;padding:12px 20px;font-size:.9rem;animation:.3s slideIn;box-shadow:0 5px 15px #0000001a}.toast.error{background:#ea4335}.toast.success{background:var(--success)}@keyframes slideIn{0%{transform:translate(100%)}to{transform:translate(0)}}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#00000080;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.receipt-modal{background:var(--card-bg);text-align:center;border-radius:16px;width:90%;max-width:400px;padding:40px;box-shadow:0 10px 30px #0003}.success-icon{background:var(--success);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:70px;height:70px;margin:0 auto 20px;font-size:2rem;display:flex}.receipt-modal h2{color:var(--text);margin-bottom:10px}.receipt-modal p{color:var(--text-muted);margin-bottom:20px;font-size:.95rem}.receipt-actions{flex-direction:column;gap:10px;display:flex}.btn-primary,.btn-secondary{cursor:pointer;border:none;border-radius:8px;padding:12px;font-size:1rem;font-weight:600;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}