/* ==========================================================================
   AiHub.sol - Core Design System & Global Styles
   Brand: Deep Black, Clean White, Electric Orange (#ff6b00 / #ff7a00)
   ========================================================================== */

:root {
  /* Brand Color Tokens */
  --bg-primary: #070709;
  --bg-surface: #0f0f13;
  --bg-surface-elevated: #16161c;
  --bg-surface-hover: #1c1c24;
  --bg-input: #121217;
  
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-inverse: #070709;

  /* Accent & Status Colors */
  --accent-orange: #ff7a00;
  --accent-orange-hover: #ff8c1a;
  --accent-orange-glow: rgba(255, 122, 0, 0.25);
  --accent-orange-subtle: rgba(255, 122, 0, 0.12);

  --color-success: #10b981;
  --color-success-subtle: rgba(16, 185, 129, 0.12);
  --color-warning: #f59e0b;
  --color-warning-subtle: rgba(245, 158, 11, 0.12);
  --color-danger: #ef4444;
  --color-danger-subtle: rgba(239, 68, 68, 0.12);
  --color-info: #3b82f6;
  --color-info-subtle: rgba(59, 130, 246, 0.12);

  /* Borders & Shadows */
  --border-subtle: #1e1e26;
  --border-medium: #2a2a36;
  --border-accent: rgba(255, 122, 0, 0.4);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 24px var(--accent-orange-glow);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* Sizing & Transitions */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1380px;
}

/* CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
}

/* Home Section Spacings */
.home-section-top {
  padding-top: 4rem;
  padding-bottom: 2rem;
}

.home-section {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.home-section-bottom {
  padding-top: 2rem;
  padding-bottom: 4rem;
}

@media (max-width: 640px) {
  .home-section-top {
    padding-top: 2.5rem;
    padding-bottom: 1.5rem;
  }
  .home-section {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }
  .home-section-bottom {
    padding-top: 1.5rem;
    padding-bottom: 2.5rem;
  }
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

.text-orange { color: var(--accent-orange) !important; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* Base Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-orange);
  color: #ffffff;
  border-color: var(--accent-orange);
}

.btn-primary:hover {
  background-color: var(--accent-orange-hover);
  border-color: var(--accent-orange-hover);
  box-shadow: 0 0 16px var(--accent-orange-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--accent-orange);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-outline:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  background-color: var(--accent-orange-subtle);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

.btn-icon {
  padding: 0.6rem;
  border-radius: var(--radius-md);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  text-transform: capitalize;
}

.badge-official {
  background: var(--accent-orange-subtle);
  color: var(--accent-orange);
  border-color: rgba(255, 122, 0, 0.3);
}

.badge-verified {
  background: var(--color-success-subtle);
  color: var(--color-success);
  border-color: rgba(16, 185, 129, 0.3);
}

.badge-community {
  background: var(--color-info-subtle);
  color: var(--color-info);
  border-color: rgba(59, 130, 246, 0.3);
}

.badge-review {
  background: var(--color-warning-subtle);
  color: var(--color-warning);
  border-color: rgba(245, 158, 11, 0.3);
}

.badge-reported {
  background: var(--color-danger-subtle);
  color: var(--color-danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.badge-type {
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  border-color: var(--border-subtle);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

/* Pricing Tag */
.tag-pricing {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.tag-pricing.Free { color: var(--color-success); border-color: rgba(16, 185, 129, 0.3); }
.tag-pricing.Open\ Source { color: #38bdf8; border-color: rgba(56, 189, 248, 0.3); }
.tag-pricing.Freemium { color: var(--accent-orange); border-color: rgba(255, 122, 0, 0.3); }

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

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

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 3px var(--accent-orange-glow);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Toasts */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  border-left: 4px solid var(--accent-orange);
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  animation: slideInToast 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast.toast-success { border-left-color: var(--color-success); }
.toast.toast-error { border-left-color: var(--color-danger); }

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