/* ============================================
   NOTED - Login Page
   ============================================ */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  position: relative;
  margin: 0;
}

/* Animated Background Orbs */
.login-bg-orbs {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.35), transparent 70%);
  top: -10%;
  left: -5%;
  animation: orbFloat1 8s infinite alternate;
}

.orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3), transparent 70%);
  bottom: -10%;
  right: -5%;
  animation: orbFloat2 10s infinite alternate;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbFloat3 12s infinite alternate;
}

@keyframes orbFloat1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(80px, 60px) scale(1.2); }
}

@keyframes orbFloat2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-70px, -50px) scale(1.15); }
}

@keyframes orbFloat3 {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
  100% { transform: translate(-30%, -60%) scale(1.3); opacity: 0.5; }
}

/* Login Container */
.login-container {
  width: 420px;
  max-width: 90vw;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  position: relative;
  z-index: 1;
  animation: containerAppear 600ms ease forwards;
}

@keyframes containerAppear {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ============================================
   Iki sutunlu duzen: solda tanitim, sagda giris/kayit
   ============================================ */

.auth-layout {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 32px;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
  animation: containerAppear 600ms ease forwards;
}

/* --- Sol: tanitim --- */
.auth-intro { min-width: 0; }

.intro-headline {
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--text-primary);
  margin: 26px 0 18px;
  text-wrap: balance;
}

.intro-lede {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0 0 34px;
  max-width: 46ch;
}

.intro-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.intro-features li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feat-icon {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--glass-strong);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.intro-features strong {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.intro-features span:not(.feat-icon) {
  display: block;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 44ch;
}

.intro-foot {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

/* --- Sag: kart --- */
.auth-panel { min-width: 0; display: flex; justify-content: center; }

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 32px 34px;
  box-shadow: var(--shadow-lg);
  box-sizing: border-box;
}

.auth-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 22px;
}

.auth-tab {
  flex: 1;
  padding: 9px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.auth-tab:hover { color: var(--text-secondary); }

.auth-tab.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.auth-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.login-form.hidden { display: none; }

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.auth-notice {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  background: var(--warning-muted);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
}

.auth-notice strong {
  display: block;
  color: var(--warning);
  margin-bottom: 3px;
}

.login-btn:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
  box-shadow: none;
}

@media (max-width: 900px) {
  .auth-layout {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 36px 22px 56px;
  }
  .auth-intro { order: 2; }
  .auth-panel { order: 1; }
  .intro-features { gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .auth-layout, .orb { animation: none !important; }
}

/* Logo */
.login-logo {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 32px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-text {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 14px;
}

/* Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

/* Login Button */
.login-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 4px;
}

.login-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.3);
}

.login-btn:active {
  transform: translateY(0);
}

/* Toggle */
.login-toggle {
  text-align: center;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 14px;
}

.login-toggle a {
  color: var(--accent);
  font-weight: 500;
}

.login-toggle a:hover {
  color: var(--accent-hover);
}

/* Error */
.login-error {
  background: var(--danger-muted);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: none;
  animation: shakeError 300ms ease;
}

@keyframes shakeError {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* Dil secici */
.auth-lang { margin-bottom: 18px; }

/* .lang-select stili base.css'te - uygulama ve giris ayni gorunumu paylasir. */

/* Ozellik maddesindeki baglanti ("Nasil kurulur →"). Metnin altinda kendi
   satirinda durur; span'lerle ayni satira girerse madde kalabaliklasiyor. */
.feat-link {
  display: inline-block;
  margin-top: 6px;
  color: var(--accent, #a78bfa);
  font-size: 13px;
  text-decoration: none;
}

.feat-link:hover { text-decoration: underline; }