/* ==========================================
   Creato Hob Builder - Main Stylesheet
   Color Scheme: Blue (#2563EB) & Green (#059669)
   ========================================== */

:root {
  --primary: #2563EB;
  --primary-dark: #1E40AF;
  --primary-light: #3B82F6;
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  
  --secondary: #059669;
  --secondary-dark: #047857;
  --secondary-light: #10B981;
  --secondary-50: #ECFDF5;
  
  --accent: #10B981;
  --accent-light: #34D399;
  
  --dark: #0F172A;
  --dark-800: #1E293B;
  --dark-700: #334155;
  --dark-600: #475569;
  --dark-500: #64748B;
  --dark-400: #94A3B8;
  --dark-300: #CBD5E1;
  --dark-200: #E2E8F0;
  --dark-100: #F1F5F9;
  
  --white: #FFFFFF;
  --light: #F8FAFC;
  
  --danger: #EF4444;
  --warning: #F59E0B;
  --success: #10B981;
  --info: #3B82F6;
  
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  
  --radius-sm: 4px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.2s ease;
  --transition-slow: all 0.3s ease;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fira Code', 'Consolas', monospace;
  
  --sidebar-width: 260px;
  --header-height: 64px;
}

/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--dark);
  background: var(--light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }
input, button, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--dark); }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }
p { margin-bottom: 1rem; }

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--dark-500); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-success { color: var(--success); }
.text-white { color: var(--white); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }
.font-light { font-weight: 300; }

/* ========== CONTAINER & LAYOUT ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.container-fluid {
  max-width: 100%;
  padding: 0 20px;
}
.row { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.col { flex: 1; padding: 0 12px; }
.col-6 { width: 50%; padding: 0 12px; }
.col-4 { width: 33.333%; padding: 0 12px; }
.col-3 { width: 25%; padding: 0 12px; }
.col-2 { width: 16.666%; padding: 0 12px; }
.col-8 { width: 66.666%; padding: 0 12px; }
.col-9 { width: 75%; padding: 0 12px; }

@media (max-width: 768px) {
  .col-4, .col-3, .col-6 { width: 100%; }
  .col-8, .col-9 { width: 100%; }
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.4;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); color: var(--white); }
.btn-secondary { background: var(--secondary); color: var(--white); }
.btn-secondary:hover { background: var(--secondary-dark); color: var(--white); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-warning { background: var(--warning); color: var(--white); }
.btn-dark { background: var(--dark); color: var(--white); }
.btn-light { background: var(--dark-100); color: var(--dark); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-outline-light {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-outline-light:hover { background: var(--white); color: var(--primary); }
.btn-sm { padding: 6px 12px; font-size: 0.75rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-xl { padding: 18px 36px; font-size: 1.125rem; }
.btn-block { width: 100%; }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: var(--radius); }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ========== FORMS ========== */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 6px;
  color: var(--dark-700);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--dark-200);
  border-radius: var(--radius);
  background: var(--white);
  transition: var(--transition);
  font-size: 0.9375rem;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-100);
}
.form-input.error { border-color: var(--danger); }
.form-textarea { min-height: 120px; resize: vertical; }
.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='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
.form-check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.form-check input[type="checkbox"],
.form-check input[type="radio"] { width: 18px; height: 18px; accent-color: var(--primary); }
.form-help { font-size: 0.75rem; color: var(--dark-400); margin-top: 4px; }
.form-error { font-size: 0.75rem; color: var(--danger); margin-top: 4px; display: none; }
.input-group { display: flex; }
.input-group .form-input:first-child { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.input-group .btn { border-top-left-radius: 0; border-bottom-left-radius: 0; }

/* ========== CARDS ========== */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--dark-200);
  padding: 24px;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--dark-100);
}
.card-body { padding: 0; }
.card-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--dark-100);
}
.card-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 8px; }

/* ========== NAVBAR ========== */
.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--dark-200);
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--dark);
}
.navbar-brand img { height: 36px; }
.navbar-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.navbar-nav a {
  padding: 8px 14px;
  border-radius: var(--radius);
  color: var(--dark-600);
  font-weight: 500;
  font-size: 0.875rem;
  transition: var(--transition);
}
.navbar-nav a:hover,
.navbar-nav a.active {
  background: var(--primary-50);
  color: var(--primary);
}
.navbar-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.navbar-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; padding: 8px; }

@media (max-width: 768px) {
  .navbar-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 12px;
    border-bottom: 1px solid var(--dark-200);
    box-shadow: var(--shadow-lg);
  }
  .navbar-nav.open { display: flex; }
  .navbar-toggle { display: block; }
}

/* ========== SIDEBAR (Dashboard) ========== */
.sidebar {
  position: fixed;
  left: 0;
  top: var(--header-height);
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--white);
  border-right: 1px solid var(--dark-200);
  overflow-y: auto;
  z-index: 900;
  padding: 16px 0;
  transition: var(--transition);
}
.sidebar-section { margin-bottom: 8px; }
.sidebar-label {
  padding: 8px 20px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dark-400);
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--dark-600);
  font-weight: 500;
  font-size: 0.875rem;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-link:hover {
  background: var(--primary-50);
  color: var(--primary);
}
.sidebar-link.active {
  background: var(--primary-50);
  color: var(--primary);
  border-left-color: var(--primary);
}
.sidebar-link .icon { width: 20px; text-align: center; font-size: 1.1rem; }
.main-content {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  padding: 24px;
  min-height: calc(100vh - var(--header-height));
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
}

/* ========== HERO SECTION ========== */
.hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--dark), var(--secondary-dark));
  color: var(--white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.hero p { font-size: 1.125rem; color: rgba(255,255,255,0.8); max-width: 600px; margin-bottom: 32px; }

/* ========== TABS ========== */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--dark-200); margin-bottom: 24px; }
.tab {
  padding: 12px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--dark-500);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ========== BADGES ========== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-primary { background: var(--primary-100); color: var(--primary); }
.badge-secondary { background: var(--secondary-50); color: var(--secondary); }
.badge-success { background: #D1FAE5; color: #065F46; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-info { background: #DBEAFE; color: #1E40AF; }

/* ========== GRID ========== */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1024px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
}

/* ========== TABLE ========== */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--dark-100); }
th { font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--dark-500); background: var(--dark-100); }
tr:hover td { background: var(--dark-100); }

/* ========== STATS ========== */
.stat-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--dark-200);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.25rem;
}
.stat-value { font-size: 1.75rem; font-weight: 800; color: var(--dark); }
.stat-label { font-size: 0.8125rem; color: var(--dark-500); font-weight: 500; }

/* ========== MODAL ========== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 540px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal-lg { max-width: 720px; }
.modal-sm { max-width: 400px; }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--dark-100);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--dark-200); }

/* ========== TOAST ========== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 14px 20px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 300px;
  animation: slideIn 0.3s ease;
}
.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-info { border-left: 4px solid var(--info); }
.toast-warning { border-left: 4px solid var(--warning); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ========== BUILDER SPECIFIC ========== */
.builder-canvas {
  background: var(--white);
  min-height: 500px;
  border: 2px dashed var(--dark-300);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
}
.builder-element {
  padding: 12px;
  margin: 4px 0;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.builder-element:hover,
.builder-element.selected {
  border-color: var(--primary);
  background: var(--primary-50);
}

/* ========== AI CHAT ========== */
.ai-chat-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--dark-200);
  overflow: hidden;
}
.ai-chat-messages {
  padding: 20px;
  max-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ai-message,
.user-message {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  line-height: 1.5;
}
.user-message {
  background: var(--primary);
  color: var(--white);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.ai-message {
  background: var(--dark-100);
  color: var(--dark);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.ai-chat-input {
  display: flex;
  gap: 8px;
  padding: 16px;
  border-top: 1px solid var(--dark-200);
}
.ai-chat-input input {
  flex: 1;
  padding: 10px 14px;
  border: 1.5px solid var(--dark-200);
  border-radius: var(--radius);
}

/* ========== FOOTER ========== */
.footer {
  background: var(--dark);
  color: var(--dark-300);
  padding: 60px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer h4 { color: var(--white); margin-bottom: 16px; font-size: 0.9375rem; }
.footer a { color: var(--dark-400); }
.footer a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--dark-700);
  padding-top: 20px;
  text-align: center;
  font-size: 0.875rem;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* ========== UTILITIES ========== */
.d-flex { display: flex; }
.d-none { display: none; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-5 { gap: 20px; }
.gap-6 { gap: 24px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mt-10 { margin-top: 40px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-5 { margin-bottom: 20px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-10 { margin-bottom: 40px; }
.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-4 { padding: 16px; }
.p-5 { padding: 20px; }
.p-6 { padding: 24px; }

.w-100 { width: 100%; }
.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.bg-white { background: var(--white); }
.bg-light { background: var(--light); }
.bg-primary { background: var(--primary); }
.bg-secondary { background: var(--secondary); }
.bg-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.border { border: 1px solid var(--dark-200); }
.border-bottom { border-bottom: 1px solid var(--dark-200); }
.overflow-hidden { overflow: hidden; }
.cursor-pointer { cursor: pointer; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.3s ease; }
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--dark-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--dark-100) 25%, var(--dark-200) 50%, var(--dark-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  .hero { padding: 40px 0; }
  .hero h1 { font-size: 2rem; }
  .card { padding: 16px; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-100); }
::-webkit-scrollbar-thumb { background: var(--dark-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--dark-400); }