/* ================================================
   ALGERP DEMO - DARK THEME STYLES
   ================================================ */

:root {
  --bg-dark: #0a0e1a;
  --bg-darker: #060913;
  --card-bg: rgba(17, 24, 39, 0.7);
  --primary-blue: #3B82F6;
  --blue-dark: #1E40AF;
  --text-white: #F9FAFB;
  --gray-text: #9CA3AF;
  --border-color: rgba(59, 130, 246, 0.2);
  --glow-blue: 0 0 30px rgba(59, 130, 246, 0.3);
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
  color: var(--text-white);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background Effects */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
  animation: rotateGlow 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes rotateGlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

#root {
  position: relative;
  z-index: 1;
}

/* ================================================
   FORM STEP 1: USER INFO
   ================================================ */

.form-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.form-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3rem;
  max-width: 500px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.form-header {
  text-align: center;
  margin-bottom: 2rem;
}

.form-header h1 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary-blue), #60A5FA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.form-header p {
  color: var(--gray-text);
  font-size: 1rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-white);
}

.form-group label i {
  margin-right: 0.5rem;
  color: var(--primary-blue);
}

.form-input {
  width: 100%;
  padding: 1rem;
  background: rgba(17, 24, 39, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-white);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: var(--glow-blue);
}

.form-input::placeholder {
  color: rgba(156, 163, 175, 0.5);
}

.btn-primary {
  width: 100%;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--primary-blue), var(--blue-dark));
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--glow-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.5);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.error-message {
  color: var(--error);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* ================================================
   STEP 2: PACKAGE SELECTION
   ================================================ */

.package-selection {
  min-height: 100vh;
  padding: 4rem 2rem;
}

.package-header {
  text-align: center;
  margin-bottom: 4rem;
}

.package-header h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-blue), #60A5FA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.package-header p {
  color: var(--gray-text);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

.user-info-badge {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  margin: 2rem auto;
  max-width: 600px;
  text-align: center;
}

.user-info-badge p {
  color: var(--gray-text);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.user-info-badge strong {
  color: var(--text-white);
}

.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.package-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 2px solid var(--border-color);
  border-radius: 24px;
  padding: 2.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.package-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent, rgba(59, 130, 246, 0.1));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.package-card:hover::before {
  opacity: 1;
}

.package-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-blue);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.3);
}

.package-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.package-card h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.package-card .modules-count {
  color: var(--gray-text);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.package-card .features-list {
  list-style: none;
  margin-bottom: 2rem;
}

.package-card .features-list li {
  padding: 0.5rem 0;
  color: var(--gray-text);
  font-size: 0.9rem;
}

.package-card .features-list li i {
  margin-right: 0.5rem;
  color: var(--primary-blue);
}

.btn-select-package {
  width: 100%;
  padding: 1rem;
  background: transparent;
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-select-package:hover {
  background: var(--primary-blue);
  color: white;
  box-shadow: var(--glow-blue);
}

/* ================================================
   STEP 3: DEMO INTERFACE
   ================================================ */

.demo-interface {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.demo-navbar {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.demo-navbar .logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary-blue);
}

.demo-badge {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
}

.btn-exit {
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-white);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-exit:hover {
  border-color: var(--error);
  color: var(--error);
}

.demo-content {
  flex: 1;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.demo-welcome {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3rem;
  text-align: center;
  margin-bottom: 3rem;
}

.demo-welcome h2 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.demo-welcome p {
  color: var(--gray-text);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 2rem;
}

.cta-download {
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

.cta-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.5);
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.module-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.module-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-blue);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.module-card .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.module-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.module-card p {
  color: var(--gray-text);
  line-height: 1.6;
}

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

@media (max-width: 768px) {
  .form-card {
    padding: 2rem;
  }

  .form-header h1 {
    font-size: 2rem;
  }

  .package-header h1 {
    font-size: 2rem;
  }

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

  .demo-navbar {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .demo-content {
    padding: 1rem;
  }

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