/* ==========================================================================
   Login / Cadastro
   ========================================================================== */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(420px, 1fr); }

/* ---------- Hero ---------- */
.auth-hero {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 28px;
  padding: 28px 48px 0; border-right: 1px solid var(--border);
  background:
    radial-gradient(900px 500px at 10% 0%, rgba(31, 202, 127, .10), transparent 60%),
    radial-gradient(700px 500px at 100% 100%, rgba(61, 139, 253, .10), transparent 60%),
    var(--bg);
}
.auth-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 30%, transparent 95%);
}
.auth-hero > * { position: relative; }
.hero-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.hero-copy { max-width: 560px; margin-top: 4vh; }
.hero-copy h1 { margin: 0 0 14px; font-size: clamp(30px, 3.4vw, 46px); line-height: 1.08; letter-spacing: -.03em; font-weight: 800; }
.hero-copy h1 span { background: linear-gradient(90deg, var(--green), #7ef0bb); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-copy p { margin: 0; color: var(--text-2); font-size: 16px; max-width: 480px; }

.hero-chart { background: rgba(16, 22, 31, .75); border: 1px solid var(--border); border-radius: 14px; padding: 16px 16px 6px; backdrop-filter: blur(6px); max-width: 640px; }
.hero-chart-head { display: flex; justify-content: space-between; align-items: flex-start; }
.hero-chart-head .muted { font-size: 12.5px; }
.hero-price { display: flex; align-items: baseline; gap: 10px; margin-top: 2px; }
.hero-price b { font-size: 26px; letter-spacing: -.02em; }
.hero-price span { font-size: 13px; font-weight: 600; }
.hero-chart-canvas { height: 190px; margin-top: 8px; }

.hero-feats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; max-width: 640px; }
.hero-feats li { display: flex; gap: 10px; align-items: flex-start; }
.hero-feats svg { width: 34px; height: 34px; padding: 8px; border-radius: 9px; background: var(--green-bg); color: var(--green); flex: none; }
.hero-feats b { display: block; font-size: 14px; }
.hero-feats span { color: var(--muted); font-size: 12.5px; }

.ticker { margin: auto -48px 0; border-top: 1px solid var(--border); background: rgba(9, 13, 20, .7); overflow: hidden; height: 44px; }
.ticker-track { display: flex; width: max-content; height: 100%; align-items: center; animation: ticker 45s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.tick-item { display: flex; align-items: center; gap: 8px; padding: 0 22px; border-right: 1px solid var(--border); font-size: 13px; white-space: nowrap; }
.tick-item b { font-weight: 600; }
.tick-item .num { color: var(--text-2); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Painel ---------- */
.auth-panel { display: grid; place-items: center; padding: 32px 24px; background: var(--bg-2); }
.auth-card { width: 100%; max-width: 420px; }
.auth-tabs { position: relative; display: grid; grid-template-columns: 1fr 1fr; padding: 4px; margin-bottom: 26px; border-radius: 10px; background: var(--panel); border: 1px solid var(--border); }
.auth-tabs button { position: relative; z-index: 1; height: 38px; border-radius: 7px; font-weight: 600; color: var(--muted); transition: color .2s; }
.auth-tabs button.active { color: var(--text); }
.auth-tabs-ind { position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px); border-radius: 7px; background: var(--panel-3); transition: transform .25s cubic-bezier(.3, .7, .3, 1); }
.auth-tabs[data-active="register"] .auth-tabs-ind { transform: translateX(100%); }

.auth-form h2 { margin: 0 0 4px; font-size: 24px; letter-spacing: -.02em; }
.auth-sub { margin: 0 0 22px; color: var(--muted); }
.auth-form .btn-lg { margin-top: 6px; }
.auth-switch { text-align: center; color: var(--muted); font-size: 13px; margin: 16px 0 0; }
.auth-note { margin: 28px 0 0; padding-top: 16px; border-top: 1px solid var(--border); color: var(--faint); font-size: 12px; text-align: center; }

.pass-meter { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 2px; }
.pass-meter i { height: 3px; border-radius: 3px; background: var(--border-2); transition: background .2s; }
.pass-meter[data-score="1"] i:nth-child(-n+1) { background: var(--red); }
.pass-meter[data-score="2"] i:nth-child(-n+2) { background: var(--yellow); }
.pass-meter[data-score="3"] i:nth-child(-n+3) { background: #8bd36b; }
.pass-meter[data-score="4"] i { background: var(--green); }

.auth-form.shake { animation: shake .35s; }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

/* ---------- Responsivo ---------- */
@media (max-width: 1060px) {
  .auth-hero { padding: 24px 32px 0; }
  .ticker { margin-left: -32px; margin-right: -32px; }
  .hero-feats { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-hero { padding: 18px 16px 0; gap: 16px; border-right: 0; border-bottom: 1px solid var(--border); }
  .hero-copy { margin-top: 6px; }
  .hero-copy h1 { font-size: 28px; }
  .hero-copy p { font-size: 14.5px; }
  .hero-chart, .hero-feats { display: none; }
  .ticker { margin: 4px -16px 0; }
  .auth-panel { padding: 24px 16px 32px; place-items: start center; }
}