/* Login Sayfası - Profesyonel Tasarım */

/* Reset ve Temel Ayarlar */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  overflow-x: hidden;
  color: #333;
}

/* Header Stilleri */
.login-header {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.logo-icon i {
  color: white;
  font-size: 1.5rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  line-height: 1;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: #7f8c8d;
  font-weight: 500;
  margin-top: 2px;
}

.header-nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #2c3e50;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.1), transparent);
  transition: left 0.5s ease;
}

.nav-link:hover::before {
  left: 100%;
}

.nav-link:hover {
  color: #3498db;
  background: rgba(52, 152, 219, 0.05);
  transform: translateY(-2px);
}

.nav-link i {
  font-size: 1rem;
}

/* Ana İçerik */
.login-main {
  padding-top: 100px;
  min-height: calc(100vh - 100px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 2rem 2rem;
}

.login-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1400px;
  width: 100%;
  background: white;
  border-radius: 24px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  min-height: 700px;
  position: relative;
}

/* Sol Taraf - Hero Bölümü */
.login-hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 4rem 3rem;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.hero-shapes {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 100px;
  height: 100px;
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 60px;
  height: 60px;
  bottom: 20%;
  left: 10%;
  animation-delay: 2s;
}

.shape-3 {
  width: 80px;
  height: 80px;
  top: 60%;
  right: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-icon {
  font-size: 4rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  text-align: center;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  text-align: center;
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 3rem;
  opacity: 0.9;
  text-align: center;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(10px);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon i {
  font-size: 1.5rem;
  color: #2ecc71;
}

.feature-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.feature-content p {
  font-size: 0.9rem;
  opacity: 0.8;
  line-height: 1.4;
}

/* Sağ Taraf - Form Bölümü */
.login-form-section {
  padding: 4rem 3rem;
  display: flex;
  align-items: center;
  background: white;
  position: relative;
}

.form-container {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.form-header {
  text-align: center;
  margin-bottom: 3rem;
}

.form-logo {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #3498db, #2980b9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.form-logo i {
  font-size: 2rem;
  color: white;
}

.form-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 0.5rem;
}

.form-header p {
  color: #7f8c8d;
  font-size: 1rem;
  line-height: 1.5;
}

/* Form Stilleri */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: #2c3e50;
  font-size: 0.9rem;
}

.form-label i {
  color: #3498db;
  font-size: 1rem;
}

.form-input {
  padding: 1rem 1.25rem;
  border: 2px solid #e1e8ed;
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: #f8f9fa;
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: #3498db;
  background: white;
  box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.1);
  transform: translateY(-2px);
}

.form-input::placeholder {
  color: #95a5a6;
}

/* Şifre Input Grubu */
.password-input-group {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #95a5a6;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  padding: 0.5rem;
  border-radius: 6px;
}

.password-toggle:hover {
  color: #3498db;
  background: rgba(52, 152, 219, 0.1);
}

/* Form Seçenekleri */
.form-options {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
}

.forgot-password {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #3498db;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

.forgot-password:hover {
  color: #2980b9;
  background: rgba(52, 152, 219, 0.1);
  transform: translateY(-1px);
}

.forgot-password i {
  font-size: 0.9rem;
}

/* Login Butonu */
.login-button {
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  color: white;
  border: none;
  padding: 1.25rem 2rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
  box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.login-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.login-button:hover::before {
  left: 100%;
}

.login-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.login-button:active {
  transform: translateY(-1px);
}

.login-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Form Footer */
.form-footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e1e8ed;
}

.form-footer p {
  color: #7f8c8d;
  font-size: 0.9rem;
}

.register-link {
  color: #3498db;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.register-link:hover {
  color: #2980b9;
  background: rgba(52, 152, 219, 0.1);
}

/* Mesaj Stilleri */
.message {
  margin-top: 1rem;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  text-align: center;
  font-weight: 500;
  display: none;
  animation: slideIn 0.3s ease;
}

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

.message.success {
  background: linear-gradient(135deg, #d4edda, #c3e6cb);
  color: #155724;
  border: 1px solid #c3e6cb;
  box-shadow: 0 4px 15px rgba(21, 87, 36, 0.1);
}

.message.error {
  background: linear-gradient(135deg, #f8d7da, #f5c6cb);
  color: #721c24;
  border: 1px solid #f5c6cb;
  box-shadow: 0 4px 15px rgba(114, 28, 36, 0.1);
}

/* Responsive Tasarım */
@media (max-width: 1200px) {
  .login-container {
    margin: 2rem;
    grid-template-columns: 1fr;
    max-width: 600px;
  }
  
  .login-hero {
    padding: 3rem 2rem;
  }
  
  .login-form-section {
    padding: 3rem 2rem;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 0 1rem;
  }
  
  .header-nav {
    display: none;
  }
  
  .login-main {
    padding: 100px 1rem 2rem;
  }
  
  .login-container {
    margin: 0;
    border-radius: 20px;
  }
  
  .login-hero {
    padding: 2rem 1.5rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .feature-item {
    padding: 0.75rem;
  }
  
  .feature-icon {
    width: 40px;
    height: 40px;
  }
  
  .feature-icon i {
    font-size: 1.2rem;
  }
  
  .login-form-section {
    padding: 2rem 1.5rem;
  }
  
  .form-header h2 {
    font-size: 1.75rem;
  }
  
  .form-logo {
    width: 60px;
    height: 60px;
  }
  
  .form-logo i {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .login-hero {
    padding: 1.5rem 1rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-icon {
    font-size: 3rem;
  }
  
  .feature-item {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
  
  .login-form-section {
    padding: 1.5rem 1rem;
  }
  
  .form-header h2 {
    font-size: 1.5rem;
  }
  
  .form-input {
    padding: 0.875rem 1rem;
  }
  
  .login-button {
    padding: 1rem 1.5rem;
  }
}

/* Animasyonlar */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-container {
  animation: fadeInUp 0.8s ease-out;
}

.hero-content {
  animation: fadeInUp 1s ease-out 0.2s both;
}

.form-container {
  animation: fadeInUp 1s ease-out 0.4s both;
}

/* Loading Spinner */
.fa-spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}