/* Aspect Ratio Calculator Styles */
/* All classes prefixed with 'arc-' to prevent conflicts */

.arc-container { 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif; 
    line-height: 1.5;
}

/* Layout Classes */
.arc-max-w-6xl { max-width: 72rem; }
.arc-mx-auto { margin-left: auto; margin-right: auto; }
.arc-p-6 { padding: 1.5rem; }
.arc-p-4 { padding: 1rem; }
.arc-px-4 { padding-left: 1rem; padding-right: 1rem; }
.arc-px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.arc-px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.arc-py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.arc-py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }

/* Margin Classes */
.arc-mb-8 { margin-bottom: 2rem; }
.arc-mb-6 { margin-bottom: 1.5rem; }
.arc-mb-4 { margin-bottom: 1rem; }
.arc-mb-3 { margin-bottom: 0.75rem; }
.arc-mb-2 { margin-bottom: 0.5rem; }
.arc-mt-8 { margin-top: 2rem; }
.arc-mt-4 { margin-top: 1rem; }
.arc-mt-2 { margin-top: 0.5rem; }
.arc-mt-1 { margin-top: 0.25rem; }

/* Flexbox Classes */
.arc-flex { display: flex; }
.arc-flex-1 { flex: 1 1 0%; }
.arc-inline-flex { display: inline-flex; }
.arc-items-center { align-items: center; }
.arc-items-end { align-items: flex-end; }
.arc-justify-center { justify-content: center; }
.arc-justify-between { justify-content: space-between; }
.arc-gap-1 { gap: 0.25rem; }
.arc-gap-2 { gap: 0.5rem; }
.arc-gap-3 { gap: 0.75rem; }
.arc-gap-4 { gap: 1rem; }

/* Grid Classes */
.arc-grid { display: grid; }
.arc-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.arc-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.arc-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.arc-grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.arc-gap-8 { gap: 2rem; }

/* Spacing Classes */
.arc-space-y-4 > * + * { margin-top: 1rem; }
.arc-space-y-6 > * + * { margin-top: 1.5rem; }

/* Text Classes */
.arc-text-center { text-align: center; }
.arc-text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.arc-text-2xl { font-size: 1.5rem; line-height: 2rem; }
.arc-text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.arc-text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.arc-text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.arc-text-xs { font-size: 0.75rem; line-height: 1rem; }

/* Font Weight Classes */
.arc-font-bold { font-weight: 700; }
.arc-font-semibold { font-weight: 600; }
.arc-font-medium { font-weight: 500; }

/* Color Classes */
.arc-text-gray-800 { color: #1f2937; }
.arc-text-gray-700 { color: #374151; }
.arc-text-gray-600 { color: #4b5563; }
.arc-text-gray-500 { color: #6b7280; }
.arc-text-blue-600 { color: #2563eb; }
.arc-text-blue-700 { color: #1d4ed8; }
.arc-text-blue-800 { color: #1e40af; }
.arc-text-green-700 { color: #15803d; }
.arc-text-green-800 { color: #166534; }
.arc-text-green-600 { color: #16a34a; }
.arc-text-purple-700 { color: #7c3aed; }
.arc-text-purple-800 { color: #6b21a8; }
.arc-text-purple-600 { color: #9333ea; }

/* Background Classes */
.arc-bg-white { background-color: #ffffff; }
.arc-bg-gray-50 { background-color: #f9fafb; }
.arc-bg-gray-100 { background-color: #f3f4f6; }
.arc-bg-blue-50 { background-color: #eff6ff; }
.arc-bg-blue-100 { background-color: #dbeafe; }
.arc-bg-blue-500 { background-color: #3b82f6; }
.arc-bg-green-50 { background-color: #f0fdf4; }
.arc-bg-purple-50 { background-color: #faf5ff; }

/* Border Classes */
.arc-border { border-width: 1px; }
.arc-border-2 { border-width: 2px; }
.arc-border-dashed { border-style: dashed; }
.arc-border-gray-100 { border-color: #f3f4f6; }
.arc-border-gray-200 { border-color: #e5e7eb; }
.arc-border-gray-300 { border-color: #d1d5db; }
.arc-border-green-200 { border-color: #bbf7d0; }
.arc-border-blue-200 { border-color: #bfdbfe; }
.arc-border-blue-300 { border-color: #93c5fd; }
.arc-border-purple-200 { border-color: #e9d5ff; }
.arc-border-transparent { border-color: transparent; }

/* Border Radius Classes */
.arc-rounded-xl { border-radius: 0.75rem; }
.arc-rounded-lg { border-radius: 0.5rem; }
.arc-rounded { border-radius: 0.25rem; }

/* Shadow Classes */
.arc-shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.arc-shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }

/* Size Classes */
.arc-w-full { width: 100%; }
.arc-w-8 { width: 2rem; }
.arc-w-4 { width: 1rem; }
.arc-w-3 { width: 0.75rem; }
.arc-h-8 { height: 2rem; }
.arc-h-4 { height: 1rem; }
.arc-h-3 { height: 0.75rem; }
.arc-h-32 { height: 8rem; }

/* Display Classes */
.arc-block { display: block; }
.arc-hidden { display: none; }

/* Outline Classes */
.arc-outline-none { outline: 2px solid transparent; outline-offset: 2px; }

/* Transition Classes */
.arc-transition-all { 
    transition-property: all; 
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); 
    transition-duration: 150ms; 
}
.arc-duration-200 { transition-duration: 200ms; }

/* Form Elements */
.arc-input, .arc-select, .arc-unit-select {
    appearance: none;
    background-color: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    color: #1f2937;
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.arc-input:focus, .arc-select:focus, .arc-unit-select:focus {
    border-color: transparent;
    box-shadow: 0 0 0 2px #3b82f6;
    outline: none;
}

/* Button Styles */
.arc-swap-btn, .arc-custom-btn, .arc-reset-btn, .arc-ratio-btn {
    cursor: pointer;
    border: none;
    font-family: inherit;
    font-size: inherit;
    text-decoration: none;
}

.arc-swap-btn:hover, .arc-reset-btn:hover {
    background-color: #e5e7eb;
}

.arc-custom-btn:hover {
    color: #1e40af;
}

.arc-ratio-btn {
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
    background-color: #f9fafb;
    color: #374151;
    text-align: center;
}

.arc-ratio-btn:hover {
    background-color: #f3f4f6;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.arc-ratio-btn.arc-active {
    background-color: #dbeafe;
    border-color: #93c5fd;
    color: #1e40af;
}

/* Preview Container */
.arc-preview-container {
    position: relative;
}

.arc-preview-rect {
    transition: all 0.3s ease;
}

/* Responsive Design */
@media (min-width: 768px) {
    .md\:arc-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .lg\:arc-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:arc-grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* Focus States */
.arc-input:focus, .arc-select:focus {
    border-color: transparent;
    box-shadow: 0 0 0 2px #3b82f6;
}

/* Hover States */
.arc-hover\:bg-gray-200:hover { background-color: #e5e7eb; }
.arc-hover\:text-blue-800:hover { color: #1e40af; }
.arc-hover\:shadow-md:hover { 
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); 
}