/* Cartoning Speed Calculator Styles */

/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    line-height: 1.6;
    color: #6b7280;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 24px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.card-header {
    padding: 24px;
    border-bottom: 1px solid #e2e8f0;
    background: #f8fafc;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-content {
    padding: 24px;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 16px 0;
    margin-bottom: 32px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: bold;
    color: #10b981;
    text-decoration: none;
    transition: color 0.2s ease;
}

.logo:hover {
    color: #059669;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.2s ease;
}

nav a:hover {
    color: #10b981;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 32px;
    padding: 32px 0;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #1e293b;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

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

.stat-icon {
    font-size: 2rem;
    margin-bottom: 8px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 8px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Tabs */
.tabs-container {
    margin-bottom: 32px;
}

.tabs-list {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
    background: #f1f5f9;
    padding: 4px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.tab-trigger {
    padding: 12px 16px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    color: #64748b;
    transition: all 0.2s ease;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-height: 48px;
}

.tab-trigger:hover {
    background: #ecfdf5;
    color: #10b981;
    transform: translateY(-1px);
}

.tab-trigger.active {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    font-weight: 600;
}

.tab-trigger svg {
    flex-shrink: 0;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

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

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.label {
    font-weight: 500;
    color: #374151;
    margin-bottom: 8px;
    font-size: 14px;
}

.input, .select {
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.2s ease;
    background: white;
    width: 100%;
}

.input:focus, .select:focus {
    border-color: #10b981;
    outline: none;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
    transform: translateY(-1px);
}

.input:hover, .select:hover {
    border-color: #d1d5db;
}

/* Range Slider */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #10b981;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: #059669;
    transform: scale(1.1);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #10b981;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    min-height: 44px;
}

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

.btn-primary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    border: 2px solid #10b981;
    color: #10b981;
}

.btn-outline:hover {
    background: #10b981;
    color: white;
    transform: translateY(-2px);
}

/* Results Display */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.result-item {
    text-align: center;
    padding: 20px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.result-value {
    font-size: 2rem;
    font-weight: bold;
    margin: 8px 0;
}

.result-label {
    color: #64748b;
    font-size: 0.875rem;
    font-weight: 500;
}

.text-green-600 { color: #059669; }
.text-blue-600 { color: #2563eb; }
.text-purple-600 { color: #7c3aed; }
.text-orange-600 { color: #ea580c; }
.text-red-600 { color: #dc2626; }

/* Grid Layouts */
.grid {
    display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* Spacing */
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-6 > * + * { margin-left: 1.5rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }

.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.pt-6 { padding-top: 1.5rem; }

/* Text */
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-800 { color: #1f2937; }
.text-gray-900 { color: #111827; }
.text-white { color: white; }

/* Background Colors */
.bg-white { background-color: white; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-900 { background-color: #111827; }

.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-green-50 { background-color: #f0fdf4; }
.bg-green-100 { background-color: #dcfce7; }
.bg-purple-50 { background-color: #faf5ff; }
.bg-purple-100 { background-color: #f3e8ff; }
.bg-orange-50 { background-color: #fff7ed; }
.bg-orange-100 { background-color: #ffedd5; }
.bg-red-50 { background-color: #fef2f2; }
.bg-red-100 { background-color: #fee2e2; }

/* Borders */
.border { border-width: 1px; }
.border-t { border-top-width: 1px; }
.border-gray-200 { border-color: #e5e7eb; }
.border-blue-200 { border-color: #bfdbfe; }
.border-green-200 { border-color: #bbf7d0; }
.border-purple-200 { border-color: #e9d5ff; }
.border-orange-200 { border-color: #fed7aa; }
.border-red-200 { border-color: #fecaca; }
.border-gray-800 { border-color: #1f2937; }

/* Rounded */
.rounded-lg { border-radius: 0.5rem; }
.rounded-full { border-radius: 9999px; }

/* Width/Height */
.w-3 { width: 0.75rem; }
.h-3 { height: 0.75rem; }
.w-16 { width: 4rem; }
.h-16 { height: 4rem; }

/* Utilities */
.hidden { display: none; }
.block { display: block; }
.hover\:underline:hover { text-decoration: underline; }
.hover\:text-white:hover { color: white; }

/* Color-specific hover states */
.hover\:text-blue-600:hover { color: #2563eb; }
.hover\:text-green-600:hover { color: #16a34a; }
.hover\:text-purple-600:hover { color: #9333ea; }
.hover\:text-orange-600:hover { color: #ea580c; }
.hover\:text-red-600:hover { color: #dc2626; }

/* Templates */
.template-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.template-card:hover {
    border-color: #10b981;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.template-card.active {
    border-color: #10b981;
    background: #f0fdf4;
}

/* History */
.history-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-item:hover {
    background: #f0fdf4;
    border-color: #10b981;
}

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
    margin: 20px 0;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f4f6;
    border-top: 2px solid #10b981;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #10b981;
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.notification.error {
    background: #dc2626;
}

.notification.warning {
    background: #f59e0b;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .tabs-list {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tab-trigger {
        padding: 8px 4px;
        font-size: 12px;
        min-height: 40px;
    }
    
    .tab-trigger svg {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        margin: 4px 0;
    }
    
    .flex {
        flex-direction: column;
        gap: 12px;
    }
    
    .justify-between {
        justify-content: center;
    }
    
    nav {
        flex-direction: column;
        gap: 16px;
    }
    
    .space-x-6 > * + * {
        margin-left: 0;
        margin-top: 8px;
    }
}

@media (max-width: 480px) {
    .card-content {
        padding: 16px;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .tabs-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
        color: #f1f5f9;
    }
    
    .card {
        background: #1e293b;
        color: #f1f5f9;
    }
    
    .card-header {
        background: #0f172a;
        border-color: #334155;
    }
    
    .input, .select {
        background: #334155;
        border-color: #475569;
        color: #f1f5f9;
    }
    
    .input:focus, .select:focus {
        border-color: #10b981;
    }
}

/* Print styles */
@media print {
    .header,
    .btn,
    .tabs-list,
    .navigation {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    body {
        background: white;
        color: black;
    }
}