:root{--bg: #f4f5f7;--surface: #ffffff;--border: #dfe1e6;--text: #172b4d;--text-muted: #6b778c;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #c9372c;--danger-soft: #fdeceb;--success: #0b7a5b;--success-soft: #e5f5ef;--radius: 8px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}button{font:inherit;cursor:pointer;border-radius:var(--radius);border:1px solid transparent;padding:.5rem .9rem;transition:background-color .15s,border-color .15s}button:disabled{opacity:.6;cursor:not-allowed}input,textarea,select{font:inherit;color:inherit;width:100%;padding:.5rem .65rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}input:focus,textarea:focus,select:focus{outline:2px solid var(--primary);outline-offset:-1px;border-color:var(--primary)}textarea{min-height:80px;resize:vertical}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--surface);border-color:var(--border);color:var(--text)}.btn-secondary:hover:not(:disabled){background:var(--bg)}.btn-danger{background:transparent;color:var(--danger);border-color:transparent}.btn-danger:hover:not(:disabled){background:var(--danger-soft)}.auth-page{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2rem}.auth-card h1{margin:0 0 .25rem;font-size:1.4rem}.auth-card .subtitle{margin:0 0 1.5rem;color:var(--text-muted);font-size:.9rem}.auth-card button[type=submit]{width:100%;margin-top:.5rem}.auth-footer{margin-top:1.25rem;text-align:center;font-size:.9rem;color:var(--text-muted)}.auth-footer a{color:var(--primary);font-weight:500}.field{margin-bottom:1rem}.field label{display:block;margin-bottom:.3rem;font-size:.85rem;font-weight:600}.field .error-text{display:block;margin-top:.3rem;color:var(--danger);font-size:.8rem}.field input[aria-invalid=true],.field textarea[aria-invalid=true]{border-color:var(--danger)}.alert{padding:.6rem .8rem;border-radius:var(--radius);font-size:.875rem;margin-bottom:1rem}.alert-error{background:var(--danger-soft);color:var(--danger)}.app-header{background:var(--surface);border-bottom:1px solid var(--border)}.app-header .inner{max-width:820px;margin:0 auto;padding:.9rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.app-header h1{margin:0;font-size:1.15rem}.app-header .user-info{display:flex;align-items:center;gap:.75rem;font-size:.875rem;color:var(--text-muted)}.container{max-width:820px;margin:0 auto;padding:1.5rem}.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.25rem;margin-bottom:1.25rem}.panel h2{margin:0 0 1rem;font-size:1rem}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.form-actions{display:flex;gap:.5rem;justify-content:flex-end}.search-bar{display:grid;grid-template-columns:1fr auto auto;gap:.75rem;align-items:center}.search-bar select{width:auto;min-width:150px}.task-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.75rem}.task-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1rem 1.25rem;display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.task-item.concluida .task-title{text-decoration:line-through;color:var(--text-muted)}.task-title{margin:0 0 .25rem;font-size:1rem;font-weight:600;overflow-wrap:anywhere}.task-description{margin:0 0 .5rem;color:var(--text-muted);font-size:.9rem;white-space:pre-wrap;overflow-wrap:anywhere}.task-meta{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;font-size:.8rem;color:var(--text-muted)}.badge{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge-pendente{background:#fff4e5;color:#974f0c}.badge-concluida{background:var(--success-soft);color:var(--success)}.badge-atrasada{background:var(--danger-soft);color:var(--danger)}.task-actions{display:flex;gap:.25rem;flex-shrink:0}.empty-state{text-align:center;padding:2.5rem 1rem;color:var(--text-muted)}.page-loading{display:grid;place-items:center;min-height:100vh;color:var(--text-muted)}@media(max-width:620px){.form-row,.search-bar{grid-template-columns:1fr}.task-item{flex-direction:column}.task-actions{align-self:flex-end}}