/* =========================================================================
   NEXUS — Giriş / Kayıt / Karşılama sayfaları
   ========================================================================= */

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.auth-visual {
  position: relative;
  background: radial-gradient(circle at 20% 20%, rgba(40,199,111,0.30), transparent 55%),
              radial-gradient(circle at 80% 75%, rgba(34,184,102,0.24), transparent 50%),
              var(--bg-deepest);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-6);
  overflow: hidden;
}

.auth-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 40% 40%, black, transparent 75%);
}

.auth-brand {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  z-index: 1;
}
.auth-brand .mark {
  width: 34px; height: 34px;
  border-radius: var(--radius-squircle);
  background: var(--brand-gradient);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--text-on-brand);
}

.auth-pitch {
  position: relative;
  z-index: 1;
  max-width: 420px;
}
.auth-pitch h1 {
  font-size: 34px;
  line-height: 1.15;
  margin-bottom: var(--space-3);
}
.auth-pitch p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

.auth-features {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.auth-feature {
  display: flex; align-items: center; gap: var(--space-3);
  color: var(--text-secondary); font-size: 14px;
}
.auth-feature .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--pulse); flex-shrink: 0;
}

.auth-form-side {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: var(--bg-base);
}

.auth-card { width: 100%; max-width: 380px; }
.auth-card h2 { font-size: 26px; margin-bottom: var(--space-1); }
.auth-card .sub { color: var(--text-muted); font-size: 14px; margin-bottom: var(--space-5); }

.auth-row { display: flex; gap: var(--space-3); }
.auth-row .field { flex: 1; }

.auth-switch {
  text-align: center;
  margin-top: var(--space-5);
  color: var(--text-muted);
  font-size: 14px;
}
.auth-switch a { color: var(--brand); font-weight: 600; }
.auth-switch a:hover { text-decoration: underline; }

.auth-check {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: 13px; color: var(--text-secondary);
}
.auth-check input { accent-color: var(--brand); }

.auth-links-between {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--space-4); font-size: 13px;
}
.auth-links-between a { color: var(--text-muted); }
.auth-links-between a:hover { color: var(--brand); }

.avatar-picker {
  display: flex; align-items: center; gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.avatar-picker .preview {
  width: 56px; height: 56px; border-radius: var(--radius-squircle);
  background: var(--bg-elevated-2);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; border: 1px solid var(--border-subtle);
}
.avatar-picker .preview img { width: 100%; height: 100%; object-fit: cover; }

/* ---- Karşılama (landing) sayfası ------------------------------------ */
.landing {
  min-height: 100vh;
  background: var(--bg-deepest);
  display: flex; flex-direction: column;
}
.landing-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-5) var(--space-6);
}
.landing-nav .actions { display: flex; gap: var(--space-3); }
.landing-hero {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: var(--space-6);
  position: relative;
}
.landing-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(40,199,111,0.22), transparent 60%);
  pointer-events: none;
}
.landing-hero h1 {
  font-size: 56px;
  max-width: 760px;
  line-height: 1.1;
  position: relative;
}
.landing-hero h1 span { background: var(--brand-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.landing-hero p {
  color: var(--text-secondary);
  font-size: 18px;
  max-width: 560px;
  margin: var(--space-4) 0 var(--space-5);
  position: relative;
}
.landing-hero .actions { display: flex; gap: var(--space-3); position: relative; }
.landing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  max-width: 960px;
  margin: var(--space-6) auto;
  padding: 0 var(--space-6) var(--space-6);
}
.landing-grid .card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.landing-grid .card h4 { margin-bottom: var(--space-2); font-size: 16px; }
.landing-grid .card p { color: var(--text-muted); font-size: 14px; }

@media (max-width: 860px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
  .landing-hero h1 { font-size: 36px; }
  .landing-grid { grid-template-columns: 1fr; }
}

/* QR login ------------------------------------------------------------ */
.auth-or{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:11px;margin:15px 0}.auth-or::before,.auth-or::after{content:"";height:1px;background:var(--border-subtle);flex:1}.auth-or span{padding:0 5px}
.auth-qr-panel{margin-top:12px;padding:14px;border:1px solid var(--border-subtle);border-radius:12px;background:var(--bg-base);text-align:center}.auth-qr-panel[hidden]{display:none}.auth-qr-code{width:198px;height:198px;margin:0 auto 12px;padding:9px;border-radius:12px;background:#fff;display:grid;place-items:center}.auth-qr-code img,.auth-qr-code canvas{max-width:180px;max-height:180px}.auth-qr-panel strong{display:block;font-size:13px}.auth-qr-panel .sub{margin:6px auto 8px;max-width:300px;font-size:11px}.auth-qr-fallback{display:block;font-size:10px;color:var(--brand);margin-bottom:8px;word-break:break-all}


/* ---- 18+ doğum tarihi seçimi --------------------------------------- */
.birth-date-grid {
  display: grid;
  grid-template-columns: minmax(76px, .8fr) minmax(112px, 1.25fr) minmax(92px, 1fr);
  gap: var(--space-2);
}
.birth-date-grid .input {
  width: 100%;
  min-width: 0;
}
.birth-date-grid .input:disabled {
  opacity: .55;
  cursor: not-allowed;
}
.birth-date-note {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 11.5px;
  line-height: 1.35;
}
.birth-date-note i {
  color: var(--brand);
  font-size: 11px;
}

@media (max-width: 420px) {
  .birth-date-grid {
    grid-template-columns: .8fr 1.2fr 1fr;
    gap: 6px;
  }
}