/* ============================================
   LOGIN PAGE - ALTAREEQ ALTHAHABI TRANSPORT
   Modern Split Layout with Truck Photo
   ============================================ */

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --navy: #0f1729;
  --navy-dark: #0a0e1f;
  --navy-light: #1a2444;
  --gold: #d4af37;
  --gold-light: #e8c863;
  --gold-dark: #b8932a;
  --white: #ffffff;
  --gray-light: #f8fafc;
  --gray: #94a3b8;
  --gray-dark: #475569;
  --success: #10b981;
  --danger: #ef4444;
  
  /* Fonts */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   LOGIN PAGE LAYOUT
   ============================================ */

.login-body {
  min-height: 100vh;
  background: var(--navy-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

/* Main Container */
.login-container {
  display: flex;
  width: 100%;
  max-width: 1100px;
  min-height: 650px;
  background: var(--navy);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 
    0 40px 80px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(212, 175, 55, 0.15);
}

/* ============================================
   LEFT SIDE — Truck Photo + Branding
   ============================================ */

.login-left {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
}

/* Background Truck Photo */
.login-bg-image {
  position: absolute;
  inset: 0;
  background-image: url('../assets/login-truck.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1);
  transition: transform 8s ease;
  z-index: 1;
}

.login-body:hover .login-bg-image {
  transform: scale(1.05);
}

/* Dark Navy Overlay */
.login-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg, 
    rgba(15, 23, 41, 0.85) 0%, 
    rgba(10, 14, 31, 0.75) 50%,
    rgba(15, 23, 41, 0.9) 100%
  );
  z-index: 2;
}

/* Subtle Gold Glow */
.login-bg-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 30% 40%, 
    rgba(212, 175, 55, 0.15) 0%, 
    transparent 50%
  );
}

/* Branding Content */
.branding {
  position: relative;
  z-index: 3;
  text-align: center;
  animation: fadeInUp 0.8s ease;
}

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

/* Logo Icon */
.logo-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 30px;
  animation: float 3s ease-in-out infinite;
}

.logo-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.6));
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Brand Name */
.brand-name {
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 5px;
  opacity: 0.95;
  margin-bottom: 8px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.brand-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 25px auto;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.brand-tagline {
  font-size: 14px;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 1.5px;
  font-style: italic;
  opacity: 0.9;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* ============================================
   RIGHT SIDE — Login Form
   ============================================ */

.login-right {
  flex: 1;
  padding: 60px 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
}

.login-form {
  width: 100%;
  max-width: 380px;
  animation: fadeIn 1s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.form-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.form-subtitle {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 40px;
}

/* Form Groups */
.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.form-group input {
  width: 100%;
  padding: 15px 18px;
  background: var(--navy-dark);
  border: 1.5px solid rgba(212, 175, 55, 0.2);
  border-radius: 12px;
  color: var(--white);
  font-size: 15px;
  font-family: var(--font-main);
  transition: all 0.3s ease;
  outline: none;
}

.form-group input::placeholder {
  color: var(--gray-dark);
  font-size: 14px;
}

.form-group input:focus {
  border-color: var(--gold);
  background: var(--navy-light);
  box-shadow: 
    0 0 0 4px rgba(212, 175, 55, 0.1),
    0 0 20px rgba(212, 175, 55, 0.15);
  transform: translateY(-1px);
}

/* Error Message */
.error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1.5px solid var(--danger);
  color: #fca5a5;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 13.5px;
  margin-bottom: 22px;
  animation: shake 0.4s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}

.error-message::before {
  content: '⚠️';
  font-size: 16px;
}

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

/* Login Button */
.btn-login {
  width: 100%;
  padding: 17px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  border: none;
  border-radius: 12px;
  color: var(--navy-dark);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 
    0 8px 25px rgba(212, 175, 55, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.btn-login::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

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

.btn-login:hover {
  transform: translateY(-3px);
  box-shadow: 
    0 12px 35px rgba(212, 175, 55, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
}

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

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

/* Loader */
.loader {
  width: 18px;
  height: 18px;
  border: 3px solid rgba(15, 23, 41, 0.3);
  border-top-color: var(--navy-dark);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Footer */
.form-footer {
  margin-top: 45px;
  text-align: center;
}

.form-footer p {
  font-size: 11px;
  color: var(--gray-dark);
  letter-spacing: 1.5px;
  font-weight: 500;
}

/* ============================================
   RESPONSIVE — Tablet
   ============================================ */

@media (max-width: 900px) {
  .login-container {
    max-width: 100%;
    min-height: auto;
  }

  .login-left {
    padding: 50px 30px;
    min-height: 320px;
  }

  .logo-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
  }

  .brand-name {
    font-size: 22px;
  }

  .brand-subtitle {
    font-size: 12px;
    letter-spacing: 3px;
  }

  .login-right {
    padding: 50px 35px;
  }

  .form-title {
    font-size: 26px;
  }
}

/* ============================================
   RESPONSIVE — Mobile
   ============================================ */

@media (max-width: 640px) {
  .login-body {
    padding: 12px;
  }

  .login-container {
    flex-direction: column;
    border-radius: 20px;
    min-height: 100vh;
  }

  .login-left {
    min-height: 260px;
    padding: 40px 20px;
  }

  .logo-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
  }

  .brand-name {
    font-size: 18px;
    letter-spacing: 1px;
  }

  .brand-subtitle {
    font-size: 10px;
    letter-spacing: 2.5px;
  }

  .brand-divider {
    width: 60px;
    margin: 18px auto;
  }

  .brand-tagline {
    font-size: 11.5px;
  }

  .login-right {
    padding: 35px 24px 50px;
  }

  .form-title {
    font-size: 24px;
  }

  .form-subtitle {
    margin-bottom: 30px;
  }

  .form-group {
    margin-bottom: 18px;
  }

  .form-group input {
    padding: 14px 16px;
    font-size: 14px;
  }

  .btn-login {
    padding: 15px;
    font-size: 13px;
    letter-spacing: 2px;
  }

  .form-footer {
    margin-top: 30px;
  }
}