/* ============================================================
   Auth Pages — Login, Signup, Onboarding
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0F172A;
  --navy-light: #1E293B;
  --slate: #64748B;
  --slate-light: #94A3B8;
  --border: #E2E8F0;
  --white: #FFFFFF;
  --off-white: #F8FAFC;
  --emerald: #10B981;
  --emerald-dark: #059669;
  --emerald-glow: rgba(16, 185, 129, 0.15);
  --red: #EF4444;
  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
  --radius: 14px;
}

body {
  font-family: var(--font);
  background: var(--off-white);
  color: var(--navy);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: var(--emerald); }
a:hover { text-decoration: underline; }

/* ── Layout ─────────────────────────────────── */
.auth-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.auth-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem;
}

.auth-panel-left {
  background: var(--navy);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.auth-panel-left::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 30% 80%, rgba(16,185,129,.2) 0%, transparent 60%);
}

.auth-panel-right {
  background: var(--white);
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 3.5rem;
}

.auth-brand {
  display: flex; align-items: center; gap: .6rem;
  font-size: 1.15rem; font-weight: 800; color: #fff;
  margin-bottom: 3rem;
  position: relative;
  text-decoration: none;
}

.auth-brand-icon {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--emerald), var(--emerald-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem;
}

.auth-panel-left-content { position: relative; }

.auth-tagline {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800; line-height: 1.2; letter-spacing: -.02em;
  margin-bottom: 1.25rem;
}

.auth-tagline span { color: var(--emerald); }

.auth-features { list-style: none; margin-top: 2rem; display: flex; flex-direction: column; gap: .85rem; }
.auth-features li {
  display: flex; align-items: center; gap: .75rem;
  font-size: .9rem; color: var(--slate-light);
}
.auth-features li .icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: rgba(255,255,255,.07);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; flex-shrink: 0;
}

/* ── Form ───────────────────────────────────── */
.auth-logo-mobile {
  display: none;
  align-items: center; gap: .5rem;
  font-size: 1rem; font-weight: 800; color: var(--navy);
  margin-bottom: 2rem; text-decoration: none;
}

.auth-logo-mobile .icon {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--emerald), var(--emerald-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; color: #fff;
}

.auth-title { font-size: 1.6rem; font-weight: 800; margin-bottom: .4rem; letter-spacing: -.02em; }
.auth-subtitle { color: var(--slate); font-size: .9rem; margin-bottom: 2rem; }

.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block; font-size: .82rem; font-weight: 700;
  color: var(--navy); margin-bottom: .4rem;
}
.form-input {
  width: 100%; padding: .75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: var(--font); font-size: .95rem; color: var(--navy);
  background: var(--off-white);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.form-input:focus {
  border-color: var(--emerald);
  box-shadow: 0 0 0 3px var(--emerald-glow);
  background: #fff;
}
.form-input.error { border-color: var(--red); }
.form-error { font-size: .8rem; color: var(--red); margin-top: .35rem; display: none; }
.form-error.visible { display: block; }

.form-input[type="tel"]::placeholder { color: var(--slate-light); }

.btn-submit {
  width: 100%; padding: .85rem;
  background: linear-gradient(135deg, var(--emerald), var(--emerald-dark));
  color: #fff; border: none; border-radius: 10px;
  font-family: var(--font); font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: all .2s;
  box-shadow: 0 4px 16px rgba(16,185,129,.3);
  margin-top: .5rem;
}
.btn-submit:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(16,185,129,.4); }
.btn-submit:active { transform: none; }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.auth-divider { text-align: center; color: var(--slate-light); font-size: .82rem; margin: 1.25rem 0; position: relative; }
.auth-divider::before {
  content: '';
  position: absolute; top: 50%; left: 0; right: 0; height: 1px;
  background: var(--border);
}
.auth-divider span { background: #fff; padding: 0 .75rem; position: relative; }

.auth-footer-link {
  text-align: center; font-size: .875rem; color: var(--slate); margin-top: 1.5rem;
}

/* ── Alert ─────────────────────────────────── */
.alert {
  padding: .85rem 1rem; border-radius: 10px;
  font-size: .875rem; margin-bottom: 1.25rem; display: none;
}
.alert.visible { display: flex; align-items: flex-start; gap: .5rem; }
.alert-error { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.alert-success { background: #F0FDF4; color: #166534; border: 1px solid #BBF7D0; }

/* ── Onboarding ─────────────────────────────── */
.onboarding-layout {
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: var(--off-white); padding: 2rem;
}

.onboarding-card {
  background: var(--white); border-radius: 20px;
  box-shadow: 0 12px 48px rgba(0,0,0,.08);
  padding: 2.5rem; max-width: 480px; width: 100%;
}

.onboarding-header { text-align: center; margin-bottom: 2rem; }
.onboarding-icon {
  width: 64px; height: 64px; border-radius: 18px;
  background: linear-gradient(135deg, var(--emerald), var(--emerald-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; margin: 0 auto 1rem;
  box-shadow: 0 8px 24px rgba(16,185,129,.3);
}
.onboarding-header h1 { font-size: 1.5rem; font-weight: 800; margin-bottom: .4rem; }
.onboarding-header p { color: var(--slate); font-size: .9rem; }

.step-indicator { display: flex; gap: .5rem; justify-content: center; margin-bottom: 2rem; }
.step-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); transition: all .3s; }
.step-dot.active { background: var(--emerald); width: 24px; border-radius: 4px; }
.step-dot.done { background: var(--emerald); }

.onboarding-step { display: none; }
.onboarding-step.active { display: block; }

.onboarding-step h2 { font-size: 1.15rem; font-weight: 700; margin-bottom: .35rem; }
.onboarding-step p { color: var(--slate); font-size: .875rem; margin-bottom: 1.5rem; }

.phone-input-wrapper { position: relative; }
.phone-prefix {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  font-weight: 700; color: var(--slate); font-size: .9rem;
}
.phone-input-wrapper .form-input { padding-left: 3rem; }

.skip-link { text-align: center; margin-top: 1rem; }
.skip-link button {
  background: none; border: none; color: var(--slate-light);
  font-size: .82rem; cursor: pointer; font-family: var(--font);
  text-decoration: underline;
}
.skip-link button:hover { color: var(--slate); }

/* ── Paywall ────────────────────────────────── */
.paywall {
  display: flex; align-items: center; justify-content: center;
  min-height: 60vh; padding: 2rem;
}
.paywall-card {
  text-align: center; max-width: 400px;
  background: var(--white); border-radius: 20px;
  padding: 2.5rem; box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.paywall-icon { font-size: 3rem; margin-bottom: 1rem; }
.paywall-card h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: .75rem; }
.paywall-card p { color: var(--slate); font-size: .9rem; margin-bottom: .5rem; }
.paywall-sub { font-size: .82rem !important; color: var(--slate-light) !important; margin-bottom: 1.5rem !important; }

/* ── Responsivo ──────────────────────────────── */
@media (max-width: 768px) {
  .auth-layout { grid-template-columns: 1fr; }
  .auth-panel-left { display: none; }
  .auth-panel-right { max-width: 100%; padding: 2rem 1.5rem; }
  .auth-logo-mobile { display: flex; }
}