/**
 * Common Styles for Multi-Tool Collection
 * Shared styles, theme variables, animations, and utilities
 */

/* ===== CSS Variables ===== */
:root {
  /* Colors - Light Mode */
  --color-bg-primary: #f9fafb;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #f3f4f6;
  --color-text-primary: #111827;
  --color-text-secondary: #6b7280;
  --color-border: #e5e7eb;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;

  /* 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;
  --transition-normal: 200ms;
  --transition-slow: 300ms;
}

:root.dark {
  /* Colors - Dark Mode */
  --color-bg-primary: #111827;
  --color-bg-secondary: #1f2937;
  --color-bg-tertiary: #374151;
  --color-text-primary: #f9fafb;
  --color-text-secondary: #9ca3af;
  --color-border: #374151;
  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7);
}

/* ===== Global Styles ===== */
* {
  transition-property: background-color, border-color, color, box-shadow;
  transition-duration: var(--transition-normal);
  transition-timing-function: ease-in-out;
}

body {
  min-height: 100vh;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.dark ::-webkit-scrollbar-track {
  background: #1f2937;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.dark ::-webkit-scrollbar-thumb {
  background: #4b5563;
}

.dark ::-webkit-scrollbar-thumb:hover {
  background: #6b7280;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Animation Classes */
.animate-fade-in {
  animation: fadeIn var(--transition-normal) ease-out;
}

.animate-fade-out {
  animation: fadeOut var(--transition-normal) ease-out;
}

.animate-slide-in-right {
  animation: slideInRight var(--transition-slow) ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft var(--transition-slow) ease-out;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-bounce {
  animation: bounce 1s ease-in-out infinite;
}

/* ===== Loading Spinner ===== */
.spinner {
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: currentColor;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

/* ===== Button Effects ===== */
button {
  position: relative;
  overflow: hidden;
}

button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}

button:active::before {
  width: 300px;
  height: 300px;
}

/* ===== Focus Styles ===== */
.focus-visible:focus,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===== Form Elements ===== */

/* Range Slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: #e5e7eb;
  outline: none;
}

.dark input[type="range"] {
  background: #4b5563;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--color-primary-hover);
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.2);
  background: var(--color-primary-hover);
}

/* Color Picker */
input[type="color"] {
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: border-color var(--transition-normal);
}

input[type="color"]:hover {
  border-color: var(--color-primary);
}

/* Select Dropdown */
select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* ===== Details/Summary ===== */
details summary {
  list-style: none;
  cursor: pointer;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::before {
  content: '▶';
  display: inline-block;
  margin-right: 0.5rem;
  transition: transform var(--transition-normal);
}

details[open] summary::before {
  transform: rotate(90deg);
}

/* ===== Card Hover Effects ===== */
.card-hover {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ===== Drag and Drop ===== */
.drag-over {
  border-color: var(--color-primary) !important;
  background-color: rgba(59, 130, 246, 0.05);
}

.border-dashed:hover {
  border-color: var(--color-primary);
  background-color: rgba(59, 130, 246, 0.05);
}

/* ===== Tooltips ===== */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 0.5rem 0.75rem;
  background: #1f2937;
  color: white;
  font-size: 0.875rem;
  border-radius: 0.375rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

[data-tooltip]:hover::before {
  opacity: 1;
}

/* ===== Utilities ===== */
.gradient-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.dark .glass-effect {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== Responsive Utilities ===== */
@media (max-width: 1024px) {
  .sticky {
    position: relative !important;
  }
}

/* ===== Print Styles ===== */
@media print {
  header,
  footer,
  .no-print,
  button {
    display: none !important;
  }

  * {
    transition: none !important;
    animation: none !important;
  }
}

/* ===== Accessibility ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Notification Styles ===== */
#notification-container {
  max-width: 420px;
}

#notification-container > div {
  min-width: 300px;
}

/* ===== Hub-Specific Styles ===== */
.hub-card {
  transition: all var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
}

.hub-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.hub-card .icon-container {
  transition: transform var(--transition-normal);
}

.hub-card:hover .icon-container {
  transform: scale(1.1) rotate(5deg);
}

.hub-card button {
  transition: gap var(--transition-normal);
}

/* ===== Code/Pre Styling ===== */
code, pre {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;
  font-size: 0.9em;
}

pre {
  overflow-x: auto;
  padding: 1rem;
  border-radius: 0.5rem;
  background: #1f2937;
  color: #f9fafb;
}

.dark pre {
  background: #0f172a;
}

code {
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  background: #f3f4f6;
  color: #1f2937;
}

.dark code {
  background: #374151;
  color: #f9fafb;
}

/* ===== Skeleton Loading ===== */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s ease-in-out infinite;
}

.dark .skeleton {
  background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
  background-size: 200% 100%;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}