/* Veolia Calculator - Modern Figma Design Styles */

/* CSS Variables for Design System */
:root {
    --color-primary: #002c8c;
    --color-primary-dark: #001b5a;
    --color-secondary: #0052b4;
    --color-accent: #1677ff;
    --color-success: #52c41a;
    --color-warning: #faad14;
    --color-danger: #ff4d4f;
    --color-blue-50: #e6f4ff;
    --color-blue-100: rgba(0,76,117,0.05);
    --color-blue-300: rgba(0,49,118,0.2);
    
    --gradient-primary: linear-gradient(135deg, #002d62 0%, #0a68d6 100%);
    --gradient-light: linear-gradient(135deg, #d8e8fb1a 54.212%, #9dcaff1a 97.649%);
    
    --shadow-card: 0 1px 2px rgba(0,0,0,.08);
    --shadow-elevation: 0px 0px 15px 0px rgba(31,137,213,0.22);
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-2xl: 24px;
    --border-radius-3xl: 32px;
    
    --font-family: 'Inter', system-ui, sans-serif;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.5;
    color: rgba(0, 0, 0, 0.88);
    margin: 0;
    padding: 0;
    /* Three-layer gradient: blue → white → gray */
    background: linear-gradient(180deg, 
        #002d62 0%, 
        #1a5fa0 15%, 
        #ffffff 35%, 
        #ffffff 65%, 
        #f8f9fa 85%, 
        #e9ecef 100%
    );
    min-height: 100vh;
    background-attachment: fixed;
}

/* Hero Section Enhancements */
.hero-gradient {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

/* Building Type Selection Styles */
.building-type-option {
    position: relative;
}

.building-type-option input[type="radio"] {
    display: none;
}

.building-type-option input[type="radio"]:checked + .building-type-card {
    background: var(--gradient-primary) !important;
    border-color: var(--color-secondary) !important;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevation);
}

.building-type-option input[type="radio"]:checked + .building-type-card .text-sm {
    color: white !important;
}

.building-type-card {
    transition: all 0.3s ease;
    position: relative;
}

.building-type-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-card);
}

/* Results Section Blur Effect */
.blurred-result {
    filter: blur(3px);
    opacity: 0.6;
    transition: all 0.5s ease;
}

.results-revealed .blurred-result {
    filter: none;
    opacity: 1;
}

/* Parameter Input Styles */
.parameter-input, .parameter-slider {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-md);
    background: white;
    font-size: 14px;
}

.parameter-input:focus, .parameter-slider:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 2px rgba(0, 82, 180, 0.2);
}

.parameter-slider {
    appearance: none;
    -webkit-appearance: none;
    height: 6px;
    background: #ddd;
    border-radius: 3px;
    margin-top: 8px;
}

.parameter-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--color-secondary);
    border-radius: 50%;
    cursor: pointer;
}

.parameter-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--color-secondary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Form Group Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.65);
}

.form-group .icon {
    margin-right: 8px;
    font-size: 16px;
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: rgba(0, 0, 0, 0.45);
    font-size: 12px;
}

/* Hidden class utility */
.hidden {
    display: none !important;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.text-shadow {
    text-shadow: rgba(0,0,0,0.3) 4px 4px 10px;
}

/* Card Components */
.card-gradient {
    background: var(--gradient-light);
    backdrop-filter: blur(10px);
}

.shadow-card {
    box-shadow: var(--shadow-card);
}

.shadow-elevation {
    box-shadow: var(--shadow-elevation);
}

/* Building Type Cards */
.building-type-card {
    transition: all 0.3s ease;
    cursor: pointer;
        /* Allow cards to grow with multi-line labels while keeping a minimum size */
        height: auto !important;
        min-height: 140px;
}

.building-type-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.building-type-card.selected-building {
    background: rgba(255,255,255,0.5);
    border: 1.5px solid rgba(0,49,118,0.4);
    box-shadow: var(--shadow-elevation);
}

.building-type-card .text-3xl {
    transition: transform 0.3s ease;
}

.building-type-card:hover .text-3xl {
    transform: scale(1.1);
}

/* Ensure building labels use full names without cropping */
.building-label {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    word-break: break-word;
    overflow-wrap: anywhere;
    line-height: 1.2;
}

/* Form Elements */
.form-input {
    transition: all 0.3s ease;
    border: 1px solid #d9d9d9;
    border-radius: var(--border-radius-md);
    padding: 12px 16px;
    font-size: 16px;
    line-height: 24px;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.2);
}

.form-input::placeholder {
    color: rgba(0, 0, 0, 0.25);
}

/* Slider Components */
.slider-track {
    -webkit-appearance: none;
    appearance: none;
    width: calc(100% - 1rem);
    height: 20px;
    background: transparent;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    margin: 0;
    padding: 0;
}

.slider-track::-webkit-slider-track {
    background: transparent;
    height: 20px;
    border-radius: 4px;
    border: none;
}

.slider-track::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: #1677ff;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    cursor: pointer;
    position: relative;
    z-index: 10;
    margin-top: 0px;
}

.slider-track::-moz-range-track {
    background: transparent;
    height: 20px;
    border-radius: 4px;
    border: none;
}

.slider-track::-moz-range-thumb {
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: #1677ff;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    cursor: pointer;
    border: none;
    position: relative;
    z-index: 10;
    margin-top: 0px;
}

.slider-progress {
    height: 8px;
    background: var(--color-accent);
    border-radius: 4px;
    transition: width 0.2s ease;
    pointer-events: none;
    width: 0%;
}
/* Building Parameters Grid Layout */
#parameter-inputs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

/* Optional Parameter Styling (grayed out when not selected) */
.parameter-content.disabled {
    opacity: 0.3 !important;
    pointer-events: none !important;
    transition: opacity 0.3s ease;
}

.parameter-content.disabled input {
    background-color: #f5f5f5 !important;
    color: #999 !important;
    cursor: not-allowed !important;
}

.parameter-content.disabled .slider-track {
    cursor: not-allowed !important;
}

.parameter-content.disabled .slider-progress {
    background-color: #ccc !important;
}

/* Gray out the parameter label when disabled */
.parameter-label.disabled {
    opacity: 0.3 !important;
    color: #999 !important;
    transition: opacity 0.3s ease, color 0.3s ease;
}

/* Optional parameter checkbox styling */
.parameter-checkbox {
    margin-right: 8px;
    transform: scale(1.1);
}

/* Hide value display when parameter is disabled */
.parameter-value-hidden {
    visibility: hidden !important;
}

@media (min-width: 1024px) {
    #parameter-inputs {
        grid-template-columns: 1fr 1fr;
    }
}

/* Secure Blur System - Multiple layers to prevent easy bypass */
.blurred-result {
    filter: blur(8px) !important;
    -webkit-filter: blur(8px) !important;
    -moz-filter: blur(8px) !important;
    text-shadow: 0 0 15px rgba(0,0,0,0.5) !important;
    color: transparent !important;
    background: linear-gradient(45deg, #1677ff, #0052b4) !important;
    background-clip: text !important;
    -webkit-background-clip: text !important;
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    position: relative !important;
}

.blurred-result::before {
    content: attr(data-hidden) !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    filter: blur(6px) !important;
    -webkit-filter: blur(6px) !important;
    z-index: 2 !important;
    pointer-events: none !important;
}

.blurred-result::after {
    content: "Click Calculate to reveal" !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    font-size: 14px !important;
    color: rgba(0,0,0,0.4) !important;
    z-index: 3 !important;
    pointer-events: none !important;
    white-space: nowrap !important;
}

/* Anti-inspection classes */
.secured-value {
    filter: blur(10px) contrast(0.3) brightness(0.8) !important;
    opacity: 0.6 !important;
    transform: perspective(100px) rotateX(2deg) !important;
}

.protected-content {
    background: linear-gradient(90deg, transparent, rgba(22,119,255,0.3), transparent) !important;
    animation: shimmer 2s infinite !important;
}

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

/* Button Components */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    padding: 16px 32px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 44, 140, 0.3);
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Result Cards */
.result-card {
    background: white;
    border: 2px solid rgba(0,76,117,0.05);
    border-radius: var(--border-radius-3xl);
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.result-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 48px;
}

.result-value {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 8px;
    /* color: rgba(13, 80, 159, 0.4); */
}

.result-value.active {
    color: var(--color-primary);
    filter: none;
}

.result-label {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.45);
}

/* Blur Effect */
.blur-result {
    filter: blur(6px);
    transition: filter 0.5s ease;
}

/* Language Selector */
.language-selector {
    background: var(--color-blue-50);
    border: 1px solid var(--color-accent);
    border-radius: var(--border-radius-md);
    height: 40px;
    width: 138px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-selector:hover {
    background: rgba(230, 244, 255, 0.8);
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 16px 24px;
    border-radius: var(--border-radius-md);
    color: white;
    font-weight: 500;
    z-index: 1000;
    transition: transform 0.3s ease;
    max-width: 400px;
}

.notification.show {
    transform: translateX(-50%);
}

.notification.success {
    background: var(--color-success);
}

.notification.warning {
    background: var(--color-warning);
}

.notification.error {
    background: var(--color-danger);
}

.notification.info {
    background: var(--color-accent);
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-gradient h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .building-type-card {
        height: 100px;
    }
    
    .building-type-card .text-3xl {
        font-size: 1.5rem;
    }
    
    .building-type-card .text-sm {
        font-size: 12px;
    }
    
    .result-card {
        padding: 16px;
    }
    
    .result-icon {
        width: 60px;
        height: 60px;
        font-size: 36px;
        margin-bottom: 16px;
    }
    
    .result-value {
        font-size: 20px;
    }
}

@media (max-width: 640px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    .building-type-card {
        height: 80px;
        padding: 12px;
    }
    
    .building-type-card .text-3xl {
        font-size: 1.25rem;
        margin-bottom: 8px;
    }
    
    .building-type-card .text-sm {
        font-size: 11px;
        line-height: 1.3;
    }
}

/* Print Styles */
@media print {
    .hero-gradient,
    .language-selector,
    .btn-primary,
    .notification {
        display: none;
    }
    
    .blur-result {
        filter: none;
    }
    
    body {
        color: black;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .building-type-card {
        border-width: 2px;
    }
    
    .building-type-card.selected-building {
        border-width: 3px;
    }
    
    .form-input:focus {
        box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.5);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles for Accessibility */
.building-type-card:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn-primary:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Select with leading icon (geography) */
select#country {
    background-position: left 0.75rem center;
}