/* CSS Variables */
:root {
    --cream: #FDF6F0;
    --cream-dark: #F5EBE0;
    --terracotta: #C4684A;
    --terracotta-dark: #A85540;
    --terracotta-light: #E8A090;
    --brown: #3D2C29;
    --brown-light: #5C4742;
    --sage: #7A9E7E;
    --sage-light: #B5D3B8;
    --warm-gray: #8B7E7A;
    --white: #FFFFFF;
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--cream);
    color: var(--brown);
    min-height: 100vh;
    line-height: 1.6;
}

/* Main Container */
.container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem;
    gap: 4rem;
    align-items: center;
}

/* Left Section */
.left-section {
    padding-right: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--brown);
    letter-spacing: -0.02em;
}

.tagline {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--terracotta);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.description {
    font-size: 1.125rem;
    color: var(--brown-light);
    margin-bottom: 2rem;
    max-width: 500px;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--brown);
}

.feature-icon {
    color: var(--terracotta);
    font-size: 0.875rem;
}

/* Download Buttons */
.download-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s ease;
    min-width: 200px;
}

.download-btn.chrome {
    background: var(--brown);
    color: var(--white);
}

.download-btn.chrome:hover {
    background: var(--brown-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(61, 44, 41, 0.2);
}

.download-btn.safari {
    background: var(--white);
    color: var(--brown);
    border: 2px solid var(--cream-dark);
}

.download-btn.safari:hover {
    border-color: var(--terracotta);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(196, 104, 74, 0.15);
}

.browser-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.btn-text {
    display: flex;
    flex-direction: column;
}

.btn-label {
    font-size: 0.75rem;
    opacity: 0.8;
}

.btn-browser {
    font-size: 1.125rem;
    font-weight: 600;
}

.note {
    font-size: 0.875rem;
    color: var(--warm-gray);
}

/* Right Section - Demo */
.right-section {
    display: flex;
    justify-content: center;
    align-items: center;
}

.demo-container {
    width: 100%;
    max-width: 380px;
}

.demo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0 0.5rem;
}

.demo-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--terracotta);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.demo-hint {
    font-size: 0.8rem;
    color: var(--warm-gray);
}

/* Extension Popup */
.extension-popup {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 32px rgba(61, 44, 41, 0.12), 0 0 0 1px rgba(61, 44, 41, 0.05);
    overflow: hidden;
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, var(--cream) 0%, var(--cream-dark) 100%);
    border-bottom: 1px solid var(--cream-dark);
}

.popup-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--brown);
}

/* Toggle Switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    cursor: pointer;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background-color: var(--cream-dark);
    border-radius: 26px;
    transition: all 0.3s ease;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--white);
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.toggle input:checked + .toggle-slider {
    background-color: var(--sage);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle-slider.small {
    width: 40px;
    height: 22px;
}

.toggle-slider.small::before {
    height: 16px;
    width: 16px;
}

.toggle input:checked + .toggle-slider.small::before {
    transform: translateX(18px);
}

/* Stats */
.popup-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--cream-dark);
    border-bottom: 1px solid var(--cream-dark);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: var(--white);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--terracotta);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--warm-gray);
}

/* Filters */
.popup-filters {
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.filter-item {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--cream-dark);
}

.filter-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.filter-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-icon {
    font-size: 1rem;
}

.filter-name {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--brown);
}

/* Sensitivity Slider */
.slider-container {
    padding: 0 0.25rem;
}

.sensitivity-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--cream-dark);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.sensitivity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--terracotta);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(196, 104, 74, 0.3);
    transition: transform 0.15s ease;
}

.sensitivity-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.sensitivity-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--terracotta);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(196, 104, 74, 0.3);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--warm-gray);
    margin-top: 0.25rem;
}

/* Footer Buttons */
.popup-footer {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    background: var(--cream);
    border-top: 1px solid var(--cream-dark);
}

.footer-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.625rem 0.75rem;
    border: none;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--brown-light);
    background: var(--white);
    cursor: pointer;
    transition: all 0.2s ease;
}

.footer-btn:hover {
    background: var(--cream-dark);
    color: var(--brown);
}

.footer-btn.active {
    background: var(--terracotta-light);
    color: var(--terracotta-dark);
}

/* Demo Feedback */
.demo-feedback {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.demo-feedback.show {
    opacity: 1;
    transform: translateY(0);
}

.demo-feedback.success {
    background: var(--sage-light);
    color: #2D5A30;
}

.demo-feedback.info {
    background: var(--cream-dark);
    color: var(--brown-light);
}

/* Disabled State */
.popup-filters.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 2rem;
    }

    .left-section {
        padding-right: 0;
        text-align: center;
    }

    .description {
        margin-left: auto;
        margin-right: auto;
    }

    .features {
        align-items: center;
    }

    .download-buttons {
        justify-content: center;
    }

    .note {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1.5rem;
    }

    .logo-text {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.5rem;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .download-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .demo-container {
        max-width: 100%;
    }
}