/* ===================================
   Welsys Navi - Common Design System
   =================================== */

/* Color Palette */
:root {
    --primary-blue: #0ea5e9;
    --primary-blue-dark: #0284c7;
    --primary-blue-darker: #0369a1;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-purple: #8b5cf6;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Accessibility - Tap Target & Font Size */
    --tap-target-min: 48px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;

    /* Service Type Colors */
    --type-a-color: #0ea5e9;
    --type-b-color: #10b981;
    --type-transition-color: #8b5cf6;
}

/* Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 700;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: #f0f9ff;
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* Card Styles */
.card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-header {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

/* Badge Styles */
.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 1.5rem;
    font-size: 0.875rem;
    font-weight: 700;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}

.badge-success {
    background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
    color: white;
}

.badge-outline {
    background: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

/* Form Styles */
.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

/* Gradient Backgrounds */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
}

.bg-gradient-hero {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 50%, #0369a1 100%);
    position: relative;
    overflow: hidden;
}

.bg-gradient-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.5;
}

/* Icon Styles */
.icon {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    vertical-align: middle;
}

.icon-lg {
    width: 3rem;
    height: 3rem;
}

/* Utility Classes */
.shadow-soft {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.shadow-medium {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.shadow-strong {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.16);
}

.rounded-lg {
    border-radius: 1rem;
}

.rounded-xl {
    border-radius: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .card {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9375rem;
    }
}