:root{
  --bg:#0b0f14;
  --card:#111826;
  --muted:#94a3b8;
  --text:#e5e7eb;
  --accent:#7c5cff;
  --accent-2:#22d3ee;
  --danger:#ef4444;
  --success:#22c55e;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius:14px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:radial-gradient(1200px 600px at 20% -10%, rgba(124,92,255,.15), transparent 60%),
             radial-gradient(1000px 500px at 120% 10%, rgba(34,211,238,.12), transparent 60%),
             var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}

.container{width:100%;max-width:1100px;margin:0 auto;padding:0 20px}
.app-header{
  position:sticky;top:0;z-index:5;
  backdrop-filter:saturate(1.4) blur(10px);
  background:rgba(11,15,20,.6);
  border-bottom:1px solid rgba(148,163,184,.12);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.app-title{margin:0;font-size:20px;letter-spacing:.3px}
.muted{color:var(--muted);font-weight:500}

.nav{display:flex;gap:10px}
.btn{
  appearance:none;border:none;cursor:pointer;text-decoration:none;
  color:#0b0f14;background:linear-gradient(135deg,var(--accent),#5d3bff);
  padding:10px 14px;border-radius:12px;font-weight:600;box-shadow:var(--shadow);
  transition:transform .2s ease, filter .2s ease, box-shadow .2s ease;
}
.btn:hover{transform:translateY(-2px) scale(1.02);filter:saturate(1.2)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-secondary{background:#1b2333;color:var(--text);box-shadow:none;border:1px solid rgba(148,163,184,.16)}

.main{padding:30px 0 60px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}

.card{
  grid-column:span 12;
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)) , var(--card);
  border:1px solid rgba(148,163,184,.12);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(124,92,255,.35)}
.card-header{display:flex;align-items:center;gap:10px;padding:16px 18px;border-bottom:1px solid rgba(148,163,184,.12)}
.card-header h2{margin:0;font-size:18px}
.card-content{padding:18px}
.card-actions{padding:0 18px 16px;display:flex;justify-content:flex-end}

.stat{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px dashed rgba(148,163,184,.12)}
.stat:last-child{border-bottom:none}
.label{color:var(--muted)}
.value{font-weight:700;letter-spacing:.3px}

.stocks-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stock{
  background:#0f1723;border:1px solid rgba(148,163,184,.12);border-radius:12px;
  padding:12px;display:flex;flex-direction:column;gap:6px;transition:transform .2s ease, border-color .2s ease
}
.stock:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.35)}
.stock .ticker{font-weight:700;color:#c7d2fe}
.stock .price{font-size:18px;font-weight:700}
.stock .change{font-weight:600}
.change.pos{color:var(--success)}
.change.neg{color:var(--danger)}

.stocks-list{grid-template-columns:repeat(12,1fr)}
.stocks-list .stock{grid-column:span 6}

.hint{color:var(--muted);font-size:12px;margin-top:8px}

.fx-form{display:flex;flex-direction:column;gap:14px}
.form-row{display:flex;flex-direction:column;gap:6px}
.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}
input,select{
  width:100%;background:#0f1723;border:1px solid rgba(148,163,184,.18);color:var(--text);
  padding:10px 12px;border-radius:10px;outline:none;transition:border-color .2s ease, box-shadow .2s ease;
  font-size:16px; /* Previne zoom no iOS */
  -webkit-appearance:none;appearance:none;
}
input:focus,select:focus{border-color:rgba(124,92,255,.6);box-shadow:0 0 0 4px rgba(124,92,255,.15)}
.form-actions{display:flex;gap:10px}
.result{margin-top:6px;font-weight:600}

[data-loading]{position:relative}
[data-loading]::after{
  content:'';display:inline-block;width:12px;height:12px;margin-left:8px;
  border:2px solid rgba(148,163,184,.4);border-top-color:var(--accent);
  border-radius:50%;animation:spin .9s linear infinite;vertical-align:middle
}

.error{color:var(--danger)}

@keyframes spin{to{transform:rotate(360deg)}}

/* Tablet */
@media (max-width:1024px){
  .container{max-width:900px;padding:0 16px}
  .grid{grid-template-columns:repeat(8,1fr);gap:16px}
  .stocks-grid{grid-template-columns:repeat(2,1fr)}
  .stocks-list .stock{grid-column:span 4}
}

/* Mobile Large */
@media (max-width:768px){
  .container{padding:0 12px}
  .header-inner{flex-direction:column;align-items:flex-start;gap:12px;padding:12px 0}
  .nav{flex-wrap:wrap;gap:8px}
  .btn{padding:8px 12px;font-size:14px}
  .app-title{font-size:18px}
  .main{padding:20px 0 40px}
  .grid{grid-template-columns:repeat(6,1fr);gap:12px}
  .card{padding:14px}
  .card-header{padding:12px 14px}
  .card-content{padding:14px}
  .stocks-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stocks-list .stock{grid-column:span 6}
  .two-cols{grid-template-columns:1fr;gap:10px}
  .form-actions{flex-direction:column}
}

/* Mobile Small */
@media (max-width:480px){
  .container{padding:0 8px}
  .header-inner{padding:10px 0;gap:10px}
  .nav{width:100%;justify-content:space-between}
  .btn{padding:6px 10px;font-size:13px;border-radius:8px}
  .app-title{font-size:16px}
  .main{padding:16px 0 32px}
  .grid{grid-template-columns:repeat(4,1fr);gap:10px}
  .card{border-radius:10px}
  .card-header{padding:10px 12px;gap:8px}
  .card-header h2{font-size:16px}
  .card-content{padding:12px}
  .stat{padding:8px 0;font-size:14px}
  .value{font-size:16px}
  .stocks-grid{grid-template-columns:1fr;gap:8px}
  .stocks-list .stock{grid-column:span 4}
  .stock{padding:10px;gap:4px}
  .stock .ticker{font-size:14px}
  .stock .price{font-size:16px}
  .stock .change{font-size:13px}
  .fx-form{gap:12px}
  .form-row{gap:4px}
  input,select{padding:8px 10px;font-size:14px;border-radius:8px}
  .result{font-size:14px}
  .hint{font-size:11px}
}

/* Touch devices */
@media (hover:none) and (pointer:coarse){
  .btn:hover{transform:none;filter:none}
  .card:hover{transform:none;border-color:rgba(148,163,184,.12)}
  .stock:hover{transform:none;border-color:rgba(148,163,184,.12)}
  .btn:active{transform:scale(.95)}
  .card:active{transform:scale(.98)}
}

/* Landscape mobile */
@media (max-height:500px) and (orientation:landscape){
  .main{padding:10px 0 20px}
  .card-header{padding:8px 12px}
  .card-content{padding:10px}
  .stat{padding:6px 0}
}

.app-footer{padding:24px 0;border-top:1px solid rgba(148,163,184,.12);background:rgba(11,15,20,.4);backdrop-filter:blur(6px)}

/* Estilos para página de notícias */
.news-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.news-card{
  background:var(--card);border-radius:var(--radius);padding:20px;border:1px solid rgba(148,163,184,.1);
  transition:transform .2s ease,box-shadow .2s ease, border-color .2s ease
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--accent)}
.news-card[data-clickable]{cursor:pointer}
.news-card[data-clickable]:hover{border-color:var(--accent)}
.news-card h3{margin:0 0 10px;font-size:16px;line-height:1.4;color:var(--text)}
.news-card p{margin:0 0 15px;color:var(--muted);font-size:14px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
.news-source{background:rgba(124,92,255,.2);color:var(--accent);padding:2px 8px;border-radius:12px;font-weight:600}
.news-date{opacity:.8}
.link-indicator{margin-left:8px;font-size:14px;opacity:.7;transition:opacity .2s ease}
.link-indicator:hover{opacity:1}
.btn-small{padding:6px 12px;font-size:12px;margin-left:auto}
.card-header{display:flex;align-items:center;gap:10px}

/* Cookie Banner Styles */
.cookie-banner{
  position:fixed;bottom:0;left:0;right:0;z-index:1000;
  background:linear-gradient(135deg,var(--card),#1a1f2e);border-top:1px solid rgba(148,163,184,.2);
  backdrop-filter:blur(10px);box-shadow:0 -10px 30px rgba(0,0,0,.3);
  animation:slideUp .3s ease-out
}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.cookie-content{max-width:1100px;margin:0 auto;padding:20px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cookie-text{flex:1;min-width:300px}
.cookie-text h3{margin:0 0 8px;font-size:16px;color:var(--text)}
.cookie-text p{margin:0;font-size:14px;color:var(--muted);line-height:1.5}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn-cookie-accept{background:linear-gradient(135deg,var(--success),#1ea854);color:#fff}
.btn-cookie-reject{background:linear-gradient(135deg,var(--danger),#dc2626);color:#fff}
.btn-cookie-settings{background:linear-gradient(135deg,var(--accent),#5d3bff);color:#fff}

/* Cookie Modal */
.cookie-modal{
  position:fixed;top:0;left:0;right:0;bottom:0;z-index:1001;
  background:rgba(0,0,0,.8);backdrop-filter:blur(5px);
  display:flex;align-items:center;justify-content:center;padding:20px
}
.cookie-modal-content{
  background:var(--card);border-radius:var(--radius);max-width:500px;width:100%;
  box-shadow:var(--shadow);border:1px solid rgba(148,163,184,.2)
}
.cookie-modal-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 20px 0;border-bottom:1px solid rgba(148,163,184,.1)
}
.cookie-modal-header h3{margin:0;color:var(--text);font-size:18px}
.cookie-modal-close{
  background:none;border:none;color:var(--muted);font-size:24px;
  cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center
}
.cookie-modal-close:hover{color:var(--text)}
.cookie-modal-body{padding:20px}
.cookie-category{margin-bottom:20px}
.cookie-toggle{
  display:flex;align-items:center;gap:15px;cursor:pointer;padding:10px;
  border-radius:8px;transition:background .2s ease
}
.cookie-toggle:hover{background:rgba(148,163,184,.05)}
.cookie-toggle input[type="checkbox"]{display:none}
.cookie-toggle-slider{
  width:44px;height:24px;background:rgba(148,163,184,.3);
  border-radius:12px;position:relative;transition:background .2s ease
}
.cookie-toggle-slider::before{
  content:'';position:absolute;top:2px;left:2px;width:20px;height:20px;
  background:#fff;border-radius:50%;transition:transform .2s ease
}
.cookie-toggle input:checked + .cookie-toggle-slider{
  background:var(--accent)
}
.cookie-toggle input:checked + .cookie-toggle-slider::before{
  transform:translateX(20px)
}
.cookie-toggle input:disabled + .cookie-toggle-slider{
  background:var(--success);opacity:.7
}
.cookie-toggle-text strong{display:block;color:var(--text);margin-bottom:4px}
.cookie-toggle-text small{color:var(--muted);font-size:12px}
.cookie-modal-footer{
  padding:0 20px 20px;display:flex;gap:10px;justify-content:flex-end
}

/* Chart Styles */
.chart-container{
  position:relative;height:200px;margin:15px 0;background:rgba(148,163,184,.05);
  border-radius:8px;padding:10px;border:1px solid rgba(148,163,184,.1)
}
.chart-container canvas{
  max-height:180px;width:100%!important;height:180px!important
}

/* Responsive */
@media (max-width:768px){
  .cookie-content{flex-direction:column;text-align:center}
  .cookie-actions{justify-content:center}
  .cookie-modal-content{margin:10px}
  .cookie-modal-footer{flex-direction:column}
  .chart-container{height:150px}
  .chart-container canvas{max-height:130px;height:130px!important}
}