/* ============================================================
   Aeonik — CoType Foundry (cotypefoundry.com)
   Coloque os arquivos .woff2 licenciados em /fonts/
   ============================================================ */
@font-face {
  font-family: 'Aeonik';
  src: url('/fonts/Aeonik-Light.woff2') format('woff2');
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Aeonik';
  src: url('/fonts/Aeonik-Regular.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Aeonik';
  src: url('/fonts/Aeonik-Medium.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Aeonik';
  src: url('/fonts/Aeonik-Bold.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Aeonik';
  src: url('/fonts/Aeonik-Black.woff2') format('woff2');
  font-weight: 900; font-style: normal; font-display: swap;
}

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --bg:         #040608;
  --border:     rgba(255,255,255,0.09);
  --border-hi:  rgba(255,255,255,0.18);
  --input-bg:   rgba(255,255,255,0.05);
  --text:       #edf1ff;
  --muted:      #8896b0;
  --subtle:     #4a5568;

  --amber:      #ffc843;
  --mint:       #4ffcb4;
  --blue:       #7ba8ff;

  --font:       'Aeonik', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;

  --ease:       cubic-bezier(0.2, 0, 0, 1);
  --spring:     cubic-bezier(0.16, 1, 0.3, 1);

  --glass-bg:   rgba(6,10,20,0.52);
  --glass-blur: blur(36px) saturate(160%);
  --glass-shadow:
    inset 0 1px 0 rgba(255,255,255,0.16),
    0 24px 60px rgba(0,0,0,0.35),
    0 6px 16px rgba(0,0,0,0.18);

  --r:   14px;
  --r-s: 10px;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  background:
    radial-gradient(ellipse 70% 50% at 0% 0%,   rgba(255,200,67,0.08)  0%, transparent 55%),
    radial-gradient(ellipse 60% 45% at 100% 0%,  rgba(123,168,255,0.08) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(79,252,180,0.04)  0%, transparent 50%),
    var(--bg);
}

h1, h2, h3, p { margin: 0; }
a  { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.hidden { display: none !important; }

/* ── Keyframes ───────────────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ── Topbar ──────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem max(1.5rem, calc((100vw - 1080px) / 2));
  border-bottom: 1px solid var(--border);
  background: rgba(4,6,8,0.8);
  backdrop-filter: var(--glass-blur);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  font-size: 0.94rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: grid;
  width: 1.95rem;
  height: 1.95rem;
  place-items: center;
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255,255,255,0.18), rgba(255,255,255,0.04));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.22), 0 4px 12px rgba(0,0,0,0.25);
  font-weight: 900;
  font-size: 0.85rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav a {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 700;
  transition: color 0.2s var(--ease);
}

.nav a:hover { color: var(--text); }

/* ── Shell: split layout ─────────────────────────────────── */
.shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 2.5rem;
  align-items: center;
  width: min(1080px, calc(100% - 3rem));
  min-height: calc(100vh - 4rem);
  margin: 0 auto;
  padding: 4rem 0 5rem;
  animation: fade-up 0.55s var(--spring) both;
}

/* ── Copy block ──────────────────────────────────────────── */
.eyebrow {
  display: block;
  margin-bottom: 1.25rem;
  color: var(--amber);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.4rem, 5.5vw, 4.6rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.copy p:not(.eyebrow) {
  max-width: 50ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  letter-spacing: -0.005em;
}

/* ── Auth card ───────────────────────────────────────────── */
.auth-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.4rem;
  background: var(--glass-bg);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
}

.auth-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: conic-gradient(
    from 200deg at 15% 0%,
    rgba(255,200,67,0.09),
    rgba(123,168,255,0.06),
    transparent 40%
  );
  pointer-events: none;
}

/* ── Tabs ────────────────────────────────────────────────── */
.tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.3rem;
  margin-bottom: 1.25rem;
  padding: 0.3rem;
  border: 1px solid var(--border);
  border-radius: var(--r-s);
  background: rgba(255,255,255,0.04);
}

.tab {
  min-height: 2.5rem;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.875rem;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.tab.active {
  color: var(--text);
  background: rgba(255,255,255,0.1);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.18),
    0 4px 12px rgba(0,0,0,0.2);
}

/* ── Form ────────────────────────────────────────────────── */
.form {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

input {
  width: 100%;
  min-height: 2.875rem;
  border: 1px solid var(--border);
  border-radius: var(--r-s);
  outline: none;
  padding: 0 0.9rem;
  color: var(--text);
  background: var(--input-bg);
  backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.07);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

input:focus {
  border-color: rgba(255,200,67,0.4);
  box-shadow:
    0 0 0 3px rgba(255,200,67,0.1),
    inset 0 1px 0 rgba(255,255,255,0.1);
}

input::placeholder { color: var(--subtle); }

/* ── Button ──────────────────────────────────────────────── */
.primary {
  min-height: 2.75rem;
  border: 0;
  border-radius: var(--r-s);
  padding: 0 1.1rem;
  color: #1a1004;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  background: linear-gradient(135deg, var(--amber), var(--mint) 62%, var(--blue));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.4),
    0 12px 32px rgba(255,200,67,0.18);
  transition:
    opacity    0.2s var(--ease),
    transform  0.2s var(--spring),
    box-shadow 0.2s var(--ease);
}

.primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.45),
    0 16px 40px rgba(255,200,67,0.25);
}

.primary:active:not(:disabled) { transform: translateY(0); }
.primary:disabled { cursor: not-allowed; opacity: 0.38; }

/* ── Message ─────────────────────────────────────────────── */
.message {
  min-height: 1.3rem;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.875rem;
  transition: color 0.2s var(--ease);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 860px) {
  .shell {
    grid-template-columns: 1fr;
    align-items: start;
    min-height: auto;
    padding-top: 3rem;
  }
}

@media (max-width: 520px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .shell {
    width: calc(100% - 1.5rem);
    padding-top: 2.5rem;
  }
}