/* ========================================
   LOGIN PAGE STYLES
   Admin panel giriş sayfası
   ======================================== */

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

:root {
  /* Ana Renkler - style.css ve form-styles.css ile uyumlu */
  --color-primary: #1e40af;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #3b82f6;
  
  /* Metin Renkleri */
  --color-text: #1f2937;
  --color-text-secondary: #4b5563;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  
  /* Arka Plan */
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  
  /* Border & Shadow */
  --color-border: #e5e7eb;
  --color-border-dark: #d1d5db;
  --color-error: #dc2626;
  --color-success: #059669;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius: 0.5rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  
  /* Shadow */
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Transition */
  --transition: 0.2s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.login-container {
  width: 100%;
  max-width: 420px;
  animation: fadeInUp 0.6s ease-out;
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.5s ease-out;
}

.login-logo {
  width: 80px;
  height: 80px;
  background: var(--color-bg);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  padding: var(--spacing-xs);
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.login-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.6s ease-out 0.15s both;
}

.login-subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.login-card {
  background: var(--color-bg);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.form-group {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: var(--spacing-md);
  color: var(--color-text-light);
  font-size: 1.125rem;
  pointer-events: none;
  transition: color var(--transition);
  z-index: 1;
}

.form-input {
  width: 100%;
  padding: 0.875rem var(--spacing-md) 0.875rem 2.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-input:focus + .input-icon {
  color: var(--color-primary);
}

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

/* Input validation states */
.form-input.is-valid {
  border-color: var(--color-success);
  padding-right: 2.75rem;
}

.form-input.is-invalid {
  border-color: var(--color-error);
}

.validation-icon {
  position: absolute;
  right: var(--spacing-md);
  font-size: 1.125rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.validation-icon.success {
  color: var(--color-success);
}

.validation-icon.error {
  color: var(--color-error);
}

.form-input.is-valid ~ .validation-icon.success,
.form-input.is-invalid ~ .validation-icon.error {
  opacity: 1;
}

.password-wrapper {
  position: relative;
}

.password-wrapper .form-input {
  padding-right: 5.5rem;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  padding: var(--spacing-xs) 0.625rem;
  font-size: 0.75rem;
  line-height: 1;
  transition: all var(--transition);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.6;
  border-radius: 4px;
  z-index: 2;
}

.password-toggle:hover {
  color: var(--color-primary);
  opacity: 1;
  background: rgba(30, 64, 175, 0.05);
}

/* Caps Lock Uyarısı */
.caps-lock-warning {
  position: absolute;
  right: 4.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: white;
  padding: 0.375rem 0.625rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  display: none;
  align-items: center;
  gap: 0.25rem;
  box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
  z-index: 2;
  animation: slideInRight 0.3s ease-out;
}

.caps-lock-warning::before {
  content: '⚠';
  font-size: 0.875rem;
}

.caps-lock-warning.show {
  display: flex;
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
}

.remember-me input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.remember-me label {
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
}

.forgot-password {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}

.forgot-password:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.login-button {
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
  font-family: inherit;
}

.login-button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 64, 175, 0.4);
}

.login-button:active:not(:disabled) {
  transform: translateY(0);
}

.login-button:disabled {
  background: var(--color-text-light);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: slideDown 0.3s ease-out;
}

.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.alert-error.shake {
  animation: shake 0.5s ease-out;
}

.alert-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.login-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.login-footer a {
  color: white;
  text-decoration: none;
  font-weight: 600;
}

.login-footer a:hover {
  text-decoration: underline;
}

/* Info Message */
.info-message {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 1px solid #3b82f6;
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  animation: slideDown 0.3s ease-out;
}

.info-message p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

.info-message strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* Back to Login Link */
.back-to-login {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
}

.back-link:hover {
  color: var(--color-primary-dark);
  gap: 0.5rem;
}

.back-link i {
  font-size: 0.875rem;
}

/* Input Hint */
.input-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 0.375rem;
  line-height: 1.4;
}

/* Success Actions */
.success-actions {
  animation: fadeInUp 0.5s ease-out;
}

/* Loading state */
.loading {
  position: relative;
  pointer-events: none;
  color: transparent !important;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Animations */
@keyframes spin {
  to { transform: rotate(360deg); }
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateY(-50%) translateX(10px);
  }
  to {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

/* Responsive */
@media (max-width: 480px) {
  .login-card {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
  
  .login-title {
    font-size: 1.5rem;
  }
  
  .form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .form-input {
    font-size: 0.9375rem;
  }
  
  .caps-lock-warning {
    right: auto;
    left: 50%;
    top: -2.5rem;
    transform: translateX(-50%);
  }
  
  .caps-lock-warning::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #f59e0b;
  }
}

@media (max-width: 360px) {
  .login-logo {
    width: 70px;
    height: 70px;
  }
  
  .login-title {
    font-size: 1.25rem;
  }
  
  .login-subtitle {
    font-size: 0.875rem;
  }
}