/* ===========================================
   Maalauspartio - Modern Calculator
   Glassmorphism + Two-Column Layout
   =========================================== */

:root {
    /* Maalauspartio Brand Colors */
    --primary: #F5BD00;
    --primary-dark: #E5AD00;
    --primary-light: #FFF8E1;

    /* Neutral Colors */
    --dark: #1a2b3c;
    --dark-muted: #4a5568;
    --gray-600: #718096;
    --gray-400: #a0aec0;
    --gray-300: #cbd5e0;
    --gray-200: #e2e8f0;
    --gray-100: #f7fafc;
    --gray-50: #fafbfc;
    --white: #ffffff;

    /* CTA Green */
    --cta-green: #22c55e;
    --cta-green-dark: #16a34a;

    /* Tax deduction color */
    --tax-green: #10b981;

    /* Typography */
    --font-display: 'Baloo 2', -apple-system, sans-serif;
    --font-body: 'Baloo 2', -apple-system, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 40px -10px rgba(0,0,0,0.15);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-blur: 10px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===========================================
   Reset & Base
   =========================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
    color: var(--dark);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input {
    font-family: inherit;
}

.hidden {
    display: none !important;
}

/* ===========================================
   Landing Page
   =========================================== */
.landing-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    animation: fadeIn 0.6s ease;
}

.landing-content {
    text-align: center;
    max-width: 500px;
    width: 100%;
}

.landing-logo {
    height: 60px;
    margin-bottom: var(--space-xl);
}

.landing-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.landing-subtitle {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: var(--space-xl);
}

.location-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.location-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    width: 100%;
}

.location-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.location-card:active {
    transform: translateY(0);
}

.location-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
}

.location-arrow {
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.location-card:hover .location-arrow {
    color: var(--primary);
    transform: translateX(4px);
}

.landing-hint {
    font-size: 0.875rem;
    color: var(--gray-400);
}

/* ===========================================
   Calculator Page
   =========================================== */
.calculator-page {
    min-height: 100vh;
    padding: var(--space-xl);
    animation: slideInUp 0.5s var(--transition-slow);
}

.calculator-container {
    max-width: 1100px;
    margin: 0 auto;
}

/* Page Title */
.page-title {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.logo-small {
    height: 65px;
    margin-bottom: var(--space-xs);
}

.page-title h1 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.01em;
}

/* Two Column Grid */
.calculator-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 900px) {
    .calculator-grid {
        grid-template-columns: 1.2fr 1fr;
        align-items: start;
    }
}

/* ===========================================
   Glass Card
   =========================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.card-header {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--dark-muted);
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--gray-200);
    background: rgba(255, 255, 255, 0.5);
}

/* ===========================================
   Input Sections
   =========================================== */
.input-section {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gray-100);
}

.input-section:last-child {
    border-bottom: none;
}

.section-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--dark-muted);
    letter-spacing: 0.03em;
    margin-bottom: var(--space-md);
    text-align: center;
}

/* ===========================================
   Area Slider
   =========================================== */
.area-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--space-lg);
}

.area-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    transition: all var(--transition-fast);
    line-height: 1;
}

.area-value.updating {
    transform: scale(1.05);
    color: var(--primary-dark);
}

.area-unit {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-500);
}

.slider-container {
    position: relative;
    padding: 12px 0;
    margin: 0 8px;
}

.slider-track {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    transform: translateY(-50%);
    pointer-events: none;
    overflow: hidden;
}

.slider-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-full);
    width: 20%;
    transition: width 50ms ease-out;
    box-shadow: 0 0 10px rgba(245, 189, 0, 0.3);
}

.slider-input {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
    position: relative;
    z-index: 2;
    margin: 0;
    padding: 0;
}

.slider-input::-webkit-slider-runnable-track {
    height: 8px;
    background: transparent;
    border-radius: var(--radius-full);
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: linear-gradient(145deg, #ffffff 0%, #f0f0f0 100%);
    border: 3px solid var(--primary);
    border-radius: 50%;
    cursor: grab;
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.15),
        0 0 0 4px rgba(245, 189, 0, 0.1);
    transition: all var(--transition-fast);
    margin-top: -8px;
}

.slider-input::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.2),
        0 0 0 6px rgba(245, 189, 0, 0.15);
    border-color: var(--primary-dark);
}

.slider-input::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.15);
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.25),
        0 0 0 8px rgba(245, 189, 0, 0.2);
}

.slider-input::-moz-range-track {
    height: 8px;
    background: transparent;
    border-radius: var(--radius-full);
}

.slider-input::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: linear-gradient(145deg, #ffffff 0%, #f0f0f0 100%);
    border: 3px solid var(--primary);
    border-radius: 50%;
    cursor: grab;
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.15),
        0 0 0 4px rgba(245, 189, 0, 0.1);
}

.slider-input::-moz-range-thumb:active {
    cursor: grabbing;
}

/* Slider labels */
.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-xs);
    padding: 0 2px;
}

.slider-labels span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-400);
}

.slider-hint {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--gray-600);
    background: var(--primary-light);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
}

/* ===========================================
   Option Buttons
   =========================================== */
.button-row {
    display: flex;
    gap: var(--space-sm);
}

.button-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.option-btn {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dark);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.option-btn:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.option-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.option-btn.active:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* ===========================================
   Summary Card
   =========================================== */
.summary-card {
    position: sticky;
    top: var(--space-xl);
}

.summary-content {
    padding: var(--space-xl);
    text-align: center;
}

.summary-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-600);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.price-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.price-min,
.price-max {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    transition: transform var(--transition-fast);
}

.price-sep {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--gray-400);
}

.price-curr {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--gray-400);
}

/* Tax Box */
.tax-box {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-lg);
}

.tax-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--gray-600);
    margin-bottom: var(--space-xs);
}

.tax-amount {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tax-green);
}

.disclaimer {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

/* CTA Button */
.cta-btn {
    width: 100%;
    padding: var(--space-lg) var(--space-xl);
    background: var(--cta-green);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.02em;
    transition: all var(--transition-base);
    box-shadow: 0 4px 14px rgba(34, 197, 94, 0.3);
}

.cta-btn:hover {
    background: var(--cta-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

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

/* Location Badge */
.location-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-200);
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.location-badge svg {
    color: var(--primary);
}

.change-location {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-dark);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.change-location:hover {
    background: var(--primary-light);
}

/* ===========================================
   Animations
   =========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.98);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-out {
    animation: fadeOut 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.calculator-page {
    animation: slideInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ===========================================
   Responsive
   =========================================== */
@media (max-width: 600px) {
    .calculator-page {
        padding: var(--space-md);
    }

    .page-title h1 {
        font-size: 1.25rem;
    }

    .area-value {
        font-size: 1.75rem;
    }

    .price-min,
    .price-max {
        font-size: 2rem;
    }

    .button-row {
        flex-direction: column;
    }

    .summary-content {
        padding: var(--space-lg);
    }
}

@media (min-width: 900px) {
    .page-title {
        margin-bottom: var(--space-2xl);
    }

    .logo-small {
        font-size: 1.75rem;
    }

    .page-title h1 {
        font-size: 1.75rem;
    }

    .price-min,
    .price-max {
        font-size: 2.75rem;
    }
}

/* ===========================================
   Focus States (Accessibility)
   =========================================== */
.option-btn:focus-visible,
.cta-btn:focus-visible,
.location-card:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.slider-input:focus-visible::-webkit-slider-thumb {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ===========================================
   Print Styles
   =========================================== */
@media print {
    .landing-page {
        display: none;
    }

    .calculator-page {
        padding: 0;
    }

    .glass-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}