/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #8B6F47;
  --primary-dark: #6B4423;
  --primary-light: #A0826D;
  --secondary: #D4A574;
  --accent: #E8B8A0;
  --bg-light: #FBF9F7;
  --bg-white: #FFFFFF;
  --text-dark: #2C2C2C;
  --text-light: #666666;
  --border: #E0D5CC;
  --success: #10B981;
  --error: #EF4444;
  --warning: #F59E0B;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   NAVIGATION BAR
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-section .logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}

.logo-section .logo:hover {
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.logo-section .logo i {
  font-size: 1.75rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   LOGIN CONTAINER LAYOUT
   ============================================ */
.login-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 80px);
  background: var(--bg-white);
}

.login-hero {
  background: linear-gradient(135deg, #8B6F47 0%, #6B4423 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 3rem;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
}

.shape {
  position: absolute;
  border-radius: 50%;
}

.shape1 {
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.2);
  top: -50px;
  right: -50px;
}

.shape2 {
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.1);
  bottom: 100px;
  left: -50px;
}

.shape3 {
  width: 150px;
  height: 150px;
  background: rgba(255, 255, 255, 0.15);
  bottom: 50px;
  right: 100px;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 400px;
}

/* ============================================
   COFFEE CUP ANIMATION
   ============================================ */
.coffee-animation {
  margin-bottom: 2rem;
}

.cup {
  position: relative;
  width: 120px;
  height: 140px;
  margin: 0 auto 2rem;
}

.cup-inner {
  position: absolute;
  width: 100px;
  height: 100px;
  background: linear-gradient(180deg, #D4A574 0%, #8B6F47 100%);
  border-radius: 0 0 10px 10px;
  top: 10px;
  left: 10px;
  overflow: hidden;
}

.cup-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: #E8B8A0;
  border-radius: 50%;
}

.cup-handle {
  position: absolute;
  right: -15px;
  top: 20px;
  width: 25px;
  height: 50px;
  border: 3px solid #D4A574;
  border-left: none;
  border-radius: 0 20px 20px 0;
}

.cup::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10px;
  width: 100px;
  height: 12px;
  background: #E8B8A0;
  border-radius: 50%;
}

.steam {
  position: absolute;
  width: 8px;
  height: 30px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  left: 50%;
  top: -20px;
}

.steam1 {
  transform: translateX(-20px);
  animation: steamRise 1.5s ease-in-out infinite;
}

.steam2 {
  transform: translateX(0);
  animation: steamRise 1.5s ease-in-out infinite 0.3s;
}

.steam3 {
  transform: translateX(20px);
  animation: steamRise 1.5s ease-in-out infinite 0.6s;
}

@keyframes steamRise {
  0% {
    opacity: 0;
    transform: translateY(0) translateX(-20px);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-40px) translateX(-20px);
  }
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* Features List */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.feature i {
  font-size: 1.75rem;
}

/* ============================================
   LOGIN FORM SECTION
   ============================================ */
.login-form-section {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  background: var(--bg-light);
}

.form-wrapper {
  width: 100%;
  max-width: 420px;
}

.form-container {
  opacity: 1;
  transition: var(--transition);
}

.form-container.hidden {
  opacity: 0;
  display: none;
}

/* Form Header */
.form-header {
  margin-bottom: 2rem;
}

.form-header h2 {
  font-size: 1.75rem;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}

.form-header p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Form Groups */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

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

.input-wrapper i {
  position: absolute;
  left: 12px;
  color: var(--primary);
  font-size: 1rem;
  pointer-events: none;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text-dark);
  background: var(--bg-white);
  transition: var(--transition);
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(139, 111, 71, 0.1);
}

.form-input::placeholder {
  color: #999;
}

.toggle-password {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
}

.toggle-password:hover {
  color: var(--primary);
}

.input-error {
  display: block;
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

/* Form Options */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--text-light);
}

.remember-me input {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary);
}

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

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

/* Login Button */
.btn-login {
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-md);
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

/* Loading Spinner */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--primary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Divider */
.divider {
  position: relative;
  margin: 1.5rem 0;
  text-align: center;
}

.divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}

.divider span {
  position: relative;
  background: var(--bg-light);
  padding: 0 1rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Social Login */
.social-login {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.btn-social {
  padding: 0.75rem;
  border: 2px solid var(--border);
  background: var(--bg-white);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text-dark);
}

.btn-social:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-social i {
  font-size: 1.5rem;
}

.btn-google {
  color: #EA4335;
}

.btn-google:hover {
  background: rgba(234, 67, 53, 0.05);
  border-color: #EA4335;
}

.btn-facebook {
  color: #1877F2;
}

.btn-facebook:hover {
  background: rgba(24, 119, 242, 0.05);
  border-color: #1877F2;
}

.btn-apple {
  color: #000;
}

.btn-apple:hover {
  background: #F0F0F0;
  border-color: #000;
}

/* Form Footer */
.form-footer {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-light);
}

.link-signup {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

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

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits-section {
  background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
  padding: 4rem 2rem;
}

.benefits-container {
  max-width: 1200px;
  margin: 0 auto;
}

.benefits-section h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--primary-dark);
  margin-bottom: 3rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.benefit-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border-top: 4px solid var(--primary);
}

.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 1.75rem;
}

.benefit-card h3 {
  font-size: 1.15rem;
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}

.benefit-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   APP DOWNLOAD SECTION
   ============================================ */
.app-download {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.app-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.app-content p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.app-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.app-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: white;
  color: var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.app-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.app-link i {
  font-size: 1.75rem;
}

.app-link small {
  display: block;
  font-size: 0.75rem;
  opacity: 0.8;
}

.app-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-mockup {
  width: 200px;
  height: 400px;
  background: rgba(255, 255, 255, 0.1);
  border: 8px solid white;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 25px;
  background: white;
  border-radius: 0 0 30px 30px;
  z-index: 10;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: #1F1F1F;
  color: #E0D5CC;
  padding: 3rem 2rem 1.5rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.footer-logo i {
  font-size: 1.75rem;
}

.footer-section p {
  color: #999;
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: #E0D5CC;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer-section a:hover {
  color: var(--secondary);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary);
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: #999;
  font-size: 0.9rem;
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.toast {
  position: fixed;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: #1F1F1F;
  color: white;
  padding: 1rem 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  transition: var(--transition);
  max-width: 400px;
  text-align: center;
}

.toast.show {
  bottom: 2rem;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--error);
}

.toast.warning {
  background: var(--warning);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px) */
@media (max-width: 768px) {
  .login-container {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .login-hero {
    min-height: 300px;
    padding: 2rem;
    display: none; /* Hide on tablet */
  }

  .login-form-section {
    padding: 2rem 1.5rem;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .app-download {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .app-buttons {
    justify-content: center;
  }

  .social-login {
    grid-template-columns: repeat(2, 1fr);
  }

  .features {
    grid-template-columns: 1fr;
  }
}

/* Mobile (480px) */
@media (max-width: 480px) {
  .nav-container {
    padding: 0.75rem 1rem;
  }

  .logo-section .logo {
    font-size: 1.25rem;
  }

  .form-wrapper {
    max-width: 100%;
  }

  .form-header h2 {
    font-size: 1.5rem;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .benefit-card {
    padding: 1.5rem;
  }

  .social-login {
    grid-template-columns: 1fr;
  }

  .divider span {
    font-size: 0.8rem;
    padding: 0 0.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .phone-mockup {
    width: 150px;
    height: 300px;
  }

  .app-link {
    width: 100%;
    justify-content: center;
  }

  .features {
    gap: 1rem;
    padding: 1rem;
  }

  .feature {
    font-size: 0.8rem;
  }

  .feature i {
    font-size: 1.5rem;
  }
}

/* Large Screens (1400px+) */
@media (min-width: 1400px) {
  .nav-container,
  .benefits-container,
  .footer-content {
    padding: 1rem 4rem;
  }

  .hero-content {
    max-width: 500px;
  }

  .form-wrapper {
    max-width: 450px;
  }
}

/* Print Styles */
@media print {
  .navbar,
  footer,
  .app-download {
    display: none;
  }

  body {
    background: white;
  }

  .login-container {
    min-height: auto;
  }
}