:root,[data-theme="light"]{
  --bg:#f5f4f0;--surface:#ffffff;--surface-2:#f9f8f5;--surface-3:#f0efeb;
  --border:#e2e0d9;--border-2:#d4d1ca;--text:#1a1815;--text-2:#3d3a33;--muted:#8a8780;
  --primary:#01696f;--primary-light:rgba(1,105,111,.08);--primary-hover:#0c4e54;
  --success:#2d7a3a;--success-light:rgba(45,122,58,.1);
  --warning:#b85c00;--warning-light:rgba(184,92,0,.1);
  --danger:#c0392b;--danger-light:rgba(192,57,43,.1);
  --critical:#8b0000;--critical-light:rgba(139,0,0,.12);
  --radius:12px;--radius-lg:16px;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --shadow-lg:0 4px 16px rgba(0,0,0,.08);
  --font:'Satoshi',system-ui,sans-serif
}
[data-theme="dark"]{
  --bg:#111110;--surface:#1a1918;--surface-2:#222120;--surface-3:#2a2928;
  --border:#333231;--border-2:#444342;--text:#e8e7e5;--text-2:#c4c3c0;--muted:#7a7977;
  --primary:#5bb0ba;--primary-light:rgba(91,176,186,.1);--primary-hover:#3d98a3;
  --success:#6daa45;--success-light:rgba(109,170,69,.12);
  --warning:#e0893a;--warning-light:rgba(224,137,58,.12);
  --danger:#e74c3c;--danger-light:rgba(231,76,60,.12);
  --critical:#ff5252;--critical-light:rgba(255,82,82,.15);
  --shadow:0 1px 3px rgba(0,0,0,.2);--shadow-lg:0 4px 16px rgba(0,0,0,.3)
}
*{box-sizing:border-box;margin:0}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.5;min-height:100vh}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--primary);text-decoration:none}

.app{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--surface);border-right:1px solid var(--border);padding:22px 14px;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50;overflow-y:auto}
.sidebar .logo{font-size:1.15rem;font-weight:700;color:var(--primary);padding:0 8px;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.sidebar .logo svg{width:24px;height:24px}
.sidebar .nav-section{font-size:.68rem;font-weight:700;text-transform:uppercase;color:var(--muted);padding:10px 8px 4px;letter-spacing:.5px}
.sidebar nav{flex:1;display:flex;flex-direction:column;gap:1px}
.sidebar .nav-item{padding:8px 12px;border-radius:10px;font-weight:500;font-size:.84rem;color:var(--text-2);display:flex;align-items:center;gap:9px;transition:all .15s;background:none;border:none;text-align:left;width:100%}
.sidebar .nav-item:hover{background:var(--primary-light);color:var(--primary)}
.sidebar .nav-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.sidebar .nav-item svg{width:16px;height:16px;opacity:.7}
.sidebar .user-info{border-top:1px solid var(--border);padding-top:12px;margin-top:14px}
.sidebar .user-info .name{font-weight:600;font-size:.85rem}
.sidebar .user-info .email{font-size:.73rem;color:var(--muted);margin-top:1px}
.sidebar .user-info .role{display:inline-block;margin-top:4px;font-size:.66rem;padding:2px 7px;border-radius:4px;background:var(--primary-light);color:var(--primary);font-weight:600;text-transform:uppercase}
.sidebar .logout-btn{margin-top:6px;font-size:.78rem;color:var(--danger);background:none;border:none;padding:0;font-weight:600}

.main{margin-left:240px;flex:1;padding:26px 32px;max-width:1320px}
.main h1{font-size:1.5rem;font-weight:700;margin-bottom:4px}
.main .subtitle{color:var(--muted);font-size:.85rem;margin-bottom:22px}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow)}
.card h3{font-size:.95rem;font-weight:600;margin-bottom:14px}
.card h4{font-size:.82rem;font-weight:600;margin-bottom:10px;color:var(--text-2)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow)}
.stat .label{font-size:.72rem;color:var(--muted);font-weight:600;margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
.stat .value{font-size:1.7rem;font-weight:700;line-height:1.1}
.stat .sub{font-size:.7rem;color:var(--muted);margin-top:4px}
.stat.danger .value{color:var(--critical)}
.stat.warning .value{color:var(--warning)}
.stat.success .value{color:var(--success)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 18px;border-radius:var(--radius);border:1px solid transparent;font-weight:600;font-size:.86rem;transition:all .15s}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-hover)}
.btn-secondary{background:var(--surface-2);color:var(--text-2);border-color:var(--border)}
.btn-secondary:hover{background:var(--surface-3)}
.btn-danger{background:var(--danger-light);color:var(--danger);border-color:transparent}
.btn-danger:hover{background:var(--danger);color:#fff}
.btn-sm{padding:6px 12px;font-size:.76rem;border-radius:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.input,select.input,textarea.input{width:100%;padding:9px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-2);font-size:.86rem;transition:border .15s;font-family:inherit}
.input:focus{outline:none;border-color:var(--primary)}
textarea.input{resize:vertical;min-height:60px}
.form-group{display:flex;flex-direction:column;gap:5px}
.form-group label{font-size:.76rem;font-weight:600;color:var(--text-2)}
.form-row{display:grid;gap:14px}
.form-row.cols-2{grid-template-columns:1fr 1fr}
.form-row.cols-3{grid-template-columns:1fr 1fr 1fr}

.badge{display:inline-flex;padding:3px 9px;border-radius:999px;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.3px}
.badge-success{background:var(--success-light);color:var(--success)}
.badge-warning{background:var(--warning-light);color:var(--warning)}
.badge-danger{background:var(--danger-light);color:var(--danger)}
.badge-critical{background:var(--critical-light);color:var(--critical)}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-neutral{background:var(--surface-3);color:var(--muted)}

table{width:100%;border-collapse:collapse}
th{text-align:left;padding:10px 12px;font-size:.7rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}
td{padding:11px 12px;border-bottom:1px solid var(--border);font-size:.86rem}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--surface-2)}

.toast{position:fixed;top:24px;right:24px;padding:12px 18px;border-radius:var(--radius);font-size:.86rem;font-weight:500;box-shadow:var(--shadow-lg);z-index:9999;transform:translateY(-20px);opacity:0;transition:all .3s;pointer-events:none;max-width:380px}
.toast.show{transform:translateY(0);opacity:1;pointer-events:auto}
.toast.success{background:var(--success);color:#fff}
.toast.error{background:var(--danger);color:#fff}

.loading{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;vertical-align:middle}
.loading.dark{border-color:var(--border);border-top-color:var(--primary)}
@keyframes spin{to{transform:rotate(360deg)}}

.empty{text-align:center;padding:38px 18px;color:var(--muted)}
.empty svg{width:38px;height:38px;margin-bottom:8px;opacity:.4}
.empty p{font-size:.86rem}

.diag-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.diag-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.diag-card h4{font-size:.7rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.diag-card ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:5px}
.diag-card li{font-size:.84rem;padding-left:14px;position:relative}
.diag-card li::before{content:'';position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%}
.diag-card.benefits li::before{background:var(--success)}
.diag-card.risks li::before{background:var(--danger)}
.diag-card.actions li::before{background:var(--primary)}
.diag-full{grid-column:1/-1}
.diag-header{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px}
.diag-metric{text-align:center;padding:18px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius)}
.diag-metric .num{font-size:1.85rem;font-weight:700;line-height:1}
.diag-metric .lbl{font-size:.7rem;color:var(--muted);margin-top:4px;text-transform:uppercase;letter-spacing:.4px}

.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:10px}

.auth-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.auth-card{width:100%;max-width:440px}
.auth-card .logo-big{font-size:1.7rem;font-weight:700;color:var(--primary);text-align:center;margin-bottom:6px;display:flex;align-items:center;justify-content:center;gap:10px}
.auth-card .tagline{text-align:center;color:var(--muted);font-size:.86rem;margin-bottom:26px}
.auth-tabs{display:flex;gap:0;margin-bottom:20px;background:var(--surface-2);border-radius:var(--radius);padding:4px;border:1px solid var(--border)}
.auth-tab{flex:1;padding:9px;text-align:center;border-radius:9px;font-weight:600;font-size:.86rem;color:var(--muted);background:transparent;border:none;transition:all .15s}
.auth-tab.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.auth-form{display:flex;flex-direction:column;gap:12px}

.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal-backdrop.show{display:flex}
.modal{background:var(--surface);border-radius:var(--radius-lg);padding:24px;max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal.large{max-width:820px}
.modal h2{font-size:1.15rem;margin-bottom:14px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}

.alert-banner{display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:var(--radius);margin-bottom:14px;border-left:4px solid var(--critical);background:var(--critical-light)}
.alert-banner.warning{border-left-color:var(--warning);background:var(--warning-light)}
.alert-banner svg{width:20px;height:20px;flex-shrink:0;color:var(--critical)}
.alert-banner.warning svg{color:var(--warning)}
.alert-banner .alert-text{flex:1}
.alert-banner .alert-title{font-weight:700;font-size:.85rem}
.alert-banner .alert-desc{font-size:.78rem;color:var(--text-2);margin-top:1px}

.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px}
.chart-container{position:relative;height:230px}

.simulator{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.simulator .controls{display:flex;flex-direction:column;gap:13px}
.simulator .result{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.slider-row{display:flex;align-items:center;gap:12px}
.slider-row input[type="range"]{flex:1}

.timeline{position:relative;padding-left:28px;margin-top:14px}
.timeline::before{content:'';position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:16px}
.timeline-item::before{content:'';position:absolute;left:-24px;top:5px;width:13px;height:13px;border-radius:50%;background:var(--surface);border:3px solid var(--primary)}
.timeline-item.done::before{background:var(--primary)}
.timeline-item .year{font-weight:700;color:var(--primary);font-size:.92rem}
.timeline-item .desc{font-size:.83rem;color:var(--text-2);margin-top:3px}

.regime-row.best{background:var(--success-light)}
.regime-row.best td{font-weight:600}

.page{display:none}.page.active{display:block}

.theme-toggle{background:none;border:none;color:var(--muted);padding:4px;margin-top:8px}
.theme-toggle:hover{color:var(--text)}

.chat-window{display:flex;flex-direction:column;height:480px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2)}
.chat-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.chat-bubble{padding:10px 14px;border-radius:14px;max-width:80%;font-size:.85rem;line-height:1.5}
.chat-bubble.user{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-bubble.bot{background:var(--surface);border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:4px}
.chat-input-row{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}
.chat-input-row input{flex:1}

.news-item{padding:14px;border-left:3px solid var(--primary);background:var(--surface-2);border-radius:8px;margin-bottom:10px}
.news-item.high{border-left-color:var(--danger)}
.news-item.medium{border-left-color:var(--warning)}
.news-item .news-date{font-size:.7rem;color:var(--muted);font-weight:600}
.news-item .news-title{font-weight:600;margin:4px 0;font-size:.92rem}
.news-item .news-summary{font-size:.82rem;color:var(--text-2)}
.news-item .news-tag{display:inline-block;font-size:.65rem;background:var(--primary-light);color:var(--primary);padding:2px 8px;border-radius:4px;font-weight:600;text-transform:uppercase;margin-top:6px}

.money-box{background:linear-gradient(135deg,#fff8e6 0%,#fef3c7 100%);border:1px solid #f0d97a;padding:16px;border-radius:var(--radius);margin:14px 0}
[data-theme="dark"] .money-box{background:linear-gradient(135deg,rgba(240,217,122,.1) 0%,rgba(240,217,122,.05) 100%);border-color:rgba(240,217,122,.3)}
.money-box .label{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.money-box .value{font-size:1.4rem;font-weight:800;color:var(--text)}
.money-box .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}

/* ─── Bell de notificações ─── */
.notif-bell{
  position:fixed;top:18px;right:24px;z-index:60;
  width:42px;height:42px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);
  box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--text-2);
}
.notif-bell:hover{color:var(--primary);border-color:var(--primary)}
.notif-badge{
  position:absolute;top:-4px;right:-4px;
  background:var(--danger);color:#fff;
  font-size:.62rem;font-weight:700;
  min-width:18px;height:18px;padding:0 5px;
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
}
.notif-panel{
  position:fixed;top:70px;right:24px;
  width:380px;max-height:540px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  z-index:60;display:flex;flex-direction:column;overflow:hidden;
}
.notif-header{
  display:flex;align-items:center;gap:10px;
  padding:14px 16px;border-bottom:1px solid var(--border);
}
.notif-header strong{flex:1;font-size:.92rem}
.btn-link{background:none;border:none;color:var(--primary);font-size:.72rem;cursor:pointer;padding:0}
.btn-link:hover{text-decoration:underline}
.btn-icon{background:none;border:none;color:var(--muted);cursor:pointer;font-size:1rem;padding:4px}
.notif-list{flex:1;overflow-y:auto;padding:6px}
.notif-item{
  padding:11px 12px;border-radius:8px;cursor:pointer;
  border-left:3px solid var(--primary);background:var(--surface-2);
  margin-bottom:6px;
}
.notif-item:hover{background:var(--surface-3)}
.notif-item.read{opacity:.55;border-left-color:var(--border)}
.notif-item-title{font-weight:600;font-size:.84rem}
.notif-item-body{font-size:.76rem;color:var(--text-2);margin-top:2px}
.notif-item-date{font-size:.66rem;color:var(--muted);margin-top:4px}

/* ─── Mobile-first refinements ─── */
@media(max-width:980px){
  .sidebar{display:none}
  .main{margin-left:0;padding:18px 14px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .charts-grid,.diag-grid,.diag-header,.simulator{grid-template-columns:1fr}
  .form-row.cols-2,.form-row.cols-3{grid-template-columns:1fr}
  .money-box .grid{grid-template-columns:1fr}
  .notif-bell{top:14px;right:14px}
  .notif-panel{top:64px;right:8px;left:8px;width:auto;max-height:70vh}
  .modal{padding:18px;max-height:95vh}
  .modal.large{max-width:100%}
  table{font-size:.78rem}
  th,td{padding:8px 6px}
  .section-header{flex-direction:column;align-items:flex-start}
  h1{font-size:1.25rem !important}
}

@media(max-width:560px){
  .stats{grid-template-columns:1fr}
  .auth-card{padding:24px 20px}
  .btn{padding:11px 16px;font-size:.92rem}
  .btn-sm{padding:8px 14px;font-size:.82rem}
  td button{margin-bottom:4px}
}

/* Bottom nav mobile (alternativa pro sidebar escondido) */
@media(max-width:980px){
  .mobile-bottom-nav{
    display:flex;position:fixed;bottom:0;left:0;right:0;z-index:50;
    background:var(--surface);border-top:1px solid var(--border);
    padding:6px 0;justify-content:space-around;
  }
  .mobile-bottom-nav button{
    background:none;border:none;color:var(--muted);
    display:flex;flex-direction:column;align-items:center;
    font-size:.62rem;padding:6px 10px;
  }
  .mobile-bottom-nav button.active{color:var(--primary)}
  .mobile-bottom-nav button svg{width:20px;height:20px;margin-bottom:2px}
  .main{padding-bottom:80px}
}