/* ============================================
   SOLARBEE ONEHUB - SPLIT SCREEN LOGIN
   Modern Enterprise CRM/ERP Design
   ============================================ */

/* Import Premium Fonts */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap");

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  /* Colors */
  --primary-blue: #0056b3;
  --primary-blue-light: #0077cc;
  --primary-blue-dark: #003d82;
  --accent-orange: #ff8c00;
  --accent-orange-light: #ffa500;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Gradients */
  --gradient-primary: linear-gradient(
    135deg,
    #0056b3 0%,
    #0077cc 50%,
    #00a8ff 100%
  );
  --gradient-accent: linear-gradient(
    135deg,
    #ff8c00 0%,
    #ffa500 50%,
    #ffb732 100%
  );
  --gradient-mixed: linear-gradient(90deg, #0056b3 0%, #ff8c00 100%);
  --gradient-bg: linear-gradient(135deg, #0056b3 0%, #003d82 50%, #ff8c00 100%);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   GLOBAL RESET
   ============================================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   SPLIT CONTAINER
   ============================================ */
.split-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* ============================================
   LEFT PANEL - BRAND SHOWCASE
   ============================================ */
.left-panel {
  flex: 1;
  background: var(--gradient-bg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

.brand-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 600px;
}

.brand-logo {
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s ease-out;
}

.brand-logo img {
  height: 80px;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
  animation: float 6s ease-in-out infinite;
}

.brand-tagline {
  font-family: "Outfit", sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.brand-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* ============================================
   3D SHAPES
   ============================================ */
.shape-3d {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
  filter: blur(2px);
}

.sphere-1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.8),
    rgba(255, 140, 0, 0.4)
  );
  top: 10%;
  left: 10%;
  animation: float3D 20s ease-in-out infinite;
}

.cube-1 {
  width: 200px;
  height: 200px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.3),
    rgba(0, 119, 204, 0.4)
  );
  border-radius: 20px;
  top: 60%;
  right: 15%;
  animation: rotate3D 25s linear infinite;
}

.pyramid-1 {
  width: 0;
  height: 0;
  border-left: 100px solid transparent;
  border-right: 100px solid transparent;
  border-bottom: 180px solid rgba(255, 140, 0, 0.2);
  bottom: 20%;
  left: 20%;
  animation: float3D 18s ease-in-out infinite reverse;
}

.sphere-2 {
  width: 150px;
  height: 150px;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.6),
    rgba(0, 86, 179, 0.3)
  );
  top: 30%;
  right: 25%;
  animation: float3D 15s ease-in-out infinite 2s;
}

.cube-2 {
  width: 120px;
  height: 120px;
  background: linear-gradient(
    135deg,
    rgba(255, 140, 0, 0.3),
    rgba(255, 165, 0, 0.2)
  );
  border-radius: 15px;
  bottom: 35%;
  right: 10%;
  animation: rotate3D 20s linear infinite reverse;
}

/* ============================================
   PARTICLES
   ============================================ */
.particles {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: particleFloat 10s linear infinite;
}

.particle:nth-child(1) {
  left: 20%;
  animation-delay: 0s;
  animation-duration: 12s;
}
.particle:nth-child(2) {
  left: 40%;
  animation-delay: 2s;
  animation-duration: 10s;
}
.particle:nth-child(3) {
  left: 60%;
  animation-delay: 4s;
  animation-duration: 14s;
}
.particle:nth-child(4) {
  left: 80%;
  animation-delay: 1s;
  animation-duration: 11s;
}
.particle:nth-child(5) {
  left: 50%;
  animation-delay: 3s;
  animation-duration: 13s;
}

/* ============================================
   RIGHT PANEL - LOGIN AREA
   ============================================ */
.right-panel {
  flex: 1;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
}

.login-wrapper {
  width: 100%;
  max-width: 480px;
  animation: fadeIn 0.6s ease-out;
}

/* ============================================
   PORTAL TABS
   ============================================ */
.portal-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  background: var(--gray-50);
  padding: 0.5rem;
  border-radius: 12px;
}

.tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.875rem 0.5rem;
  border: none;
  background: transparent;
  color: var(--gray-600);
  cursor: pointer;
  border-radius: 8px;
  transition: all var(--transition-base);
  font-size: 0.75rem;
  font-weight: 500;
}

.tab-btn i {
  font-size: 1.25rem;
  transition: transform var(--transition-base);
}

.tab-btn:hover {
  background: rgba(0, 86, 179, 0.05);
  color: var(--primary-blue);
}

.tab-btn.active {
  background: var(--white);
  color: var(--primary-blue);
  box-shadow: var(--shadow-sm);
}

.tab-btn.active i {
  transform: scale(1.1);
}

/* ============================================
   LOGIN FORM AREA
   ============================================ */
.login-form-area {
  animation: fadeInUp 0.5s ease-out;
}

.customer-options {
  animation: fadeInUp 0.5s ease-out;
}

.welcome-title {
  font-family: "Outfit", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.welcome-subtitle {
  font-size: 1rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

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

.select-icon,
.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--gray-400);
  font-size: 1.125rem;
  pointer-events: none;
  z-index: 2;
}

.form-select,
.form-input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 3rem;
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  font-size: 1rem;
  font-family: "Inter", sans-serif;
  color: var(--gray-800);
  background: var(--white);
  transition: all var(--transition-base);
}

.form-select:focus,
.form-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.1);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 3rem;
}

.password-toggle {
  position: absolute;
  right: 1rem;
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  transition: all var(--transition-base);
}

.password-toggle:hover {
  color: var(--primary-blue);
  background: rgba(0, 86, 179, 0.05);
}

/* ============================================
   FORM OPTIONS
   ============================================ */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--gray-700);
}

.remember-me input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  cursor: pointer;
}

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

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

/* ============================================
   SUBMIT BUTTON
   ============================================ */
.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-mixed);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(0, 86, 179, 0.3);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 86, 179, 0.4);
}

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

.btn-submit i {
  transition: transform var(--transition-base);
}

.btn-submit:hover i {
  transform: translateX(4px);
}

/* ============================================
   FORM FOOTER
   ============================================ */
.form-footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--gray-600);
}

.form-footer a {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 500;
}

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

/* ============================================
   CUSTOMER CARDS
   ============================================ */
.customer-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.customer-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  text-decoration: none;
  color: var(--gray-800);
  transition: all var(--transition-base);
}

.customer-card:hover {
  border-color: var(--primary-blue);
  background: rgba(0, 86, 179, 0.05);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.customer-card i {
  font-size: 2.5rem;
  color: var(--primary-blue);
  margin-bottom: 1rem;
}

.customer-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.customer-card p {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* ============================================
   ALERT
   ============================================ */
.alert {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #991b1b;
}

.alert i {
  font-size: 1.125rem;
}

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

/* Tablet */
@media (max-width: 1024px) {
  .left-panel {
    flex: 0.8;
  }

  .brand-tagline {
    font-size: 2.5rem;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .split-container {
    flex-direction: column;
  }

  .left-panel {
    flex: none;
    min-height: 35vh;
    padding: 2rem 1.5rem;
  }

  .brand-logo img {
    height: 50px;
  }

  .brand-tagline {
    font-size: 1.75rem;
  }

  .brand-subtitle {
    font-size: 0.875rem;
  }

  .shape-3d {
    display: none;
  }

  .right-panel {
    flex: 1;
    padding: 1.5rem;
  }

  .portal-tabs {
    gap: 0.25rem;
    padding: 0.375rem;
  }

  .tab-btn {
    padding: 0.75rem 0.375rem;
    font-size: 0.625rem;
  }

  .tab-btn i {
    font-size: 1rem;
  }

  .tab-btn span {
    display: none;
  }

  .welcome-title {
    font-size: 1.5rem;
  }

  .customer-cards {
    grid-template-columns: 1fr;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .left-panel {
    min-height: 30vh;
    padding: 1.5rem 1rem;
  }

  .right-panel {
    padding: 1rem;
  }

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

  .form-group {
    margin-bottom: 1.25rem;
  }
}

/* Landscape Mobile */
@media (max-height: 600px) and (orientation: landscape) {
  .left-panel {
    display: none;
  }

  .right-panel {
    padding: 1rem;
  }

  .portal-tabs {
    margin-bottom: 1.5rem;
  }

  .welcome-title {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
  }

  .welcome-subtitle {
    margin-bottom: 1rem;
  }

  .form-group {
    margin-bottom: 1rem;
  }
}