@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=Archivo:wght@400;500;600&display=swap');

:root {
    --yt-rev-primary: #00C853;
    --yt-rev-primary-dark: #00A844;
    --yt-rev-primary-light: #00E676;
    --yt-rev-secondary: #FFD600;
    --yt-rev-accent: #FF6B00;
    --yt-rev-background: #FAFBFC;
    --yt-rev-surface: #FFFFFF;
    --yt-rev-border: #E8EBED;
    --yt-rev-text-primary: #0A1929;
    --yt-rev-text-secondary: #5A6C7D;
    --yt-rev-text-muted: #8B9CAD;
    --yt-rev-gradient-success: linear-gradient(135deg, #00C853 0%, #00E676 100%);
    --yt-rev-gradient-gold: linear-gradient(135deg, #FFD600 0%, #FFC400 100%);
    --yt-rev-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --yt-rev-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --yt-rev-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --yt-rev-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
}

.yt-revenue-calculator {
    font-family: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.yt-revenue-calculator * {
    box-sizing: border-box;
}

.yt-rev-container {
    background: var(--yt-rev-surface);
    border-radius: 28px;
    box-shadow: var(--yt-rev-shadow-xl);
    overflow: hidden;
    border: 1px solid var(--yt-rev-border);
    position: relative;
}

.yt-rev-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--yt-rev-gradient-success);
}

.yt-rev-header {
    background: linear-gradient(135deg, #F8FFF9 0%, #F0FDF4 100%);
    padding: 48px 36px 36px;
    text-align: center;
    position: relative;
}

.yt-header-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--yt-rev-gradient-success);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 12px 28px rgba(0, 200, 83, 0.35);
    transform: rotate(5deg);
    animation: iconBounce 2s ease-in-out infinite;
}

@keyframes iconBounce {
    0%, 100% { transform: rotate(5deg) scale(1); }
    50% { transform: rotate(5deg) scale(1.05); }
}

.yt-header-icon svg {
    width: 40px;
    height: 40px;
}

.yt-rev-title {
    font-family: 'Sora', sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: var(--yt-rev-text-primary);
    margin: 0 0 8px 0;
    letter-spacing: -0.8px;
}

.yt-rev-subtitle {
    font-size: 16px;
    color: var(--yt-rev-text-secondary);
    margin: 0;
    font-weight: 500;
}

.yt-rev-body {
    padding: 40px 36px;
    background: var(--yt-rev-surface);
}

.yt-input-group {
    margin-bottom: 32px;
}

.yt-label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.label-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--yt-rev-text-primary);
    letter-spacing: -0.2px;
}

.label-helper {
    font-size: 13px;
    color: var(--yt-rev-text-secondary);
    font-weight: 400;
}

.yt-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: 18px;
    font-size: 18px;
    pointer-events: none;
    z-index: 1;
}

.yt-input {
    width: 100%;
    padding: 16px 20px;
    padding-left: 52px;
    font-size: 17px;
    border: 2px solid var(--yt-rev-border);
    border-radius: 14px;
    background: var(--yt-rev-background);
    color: var(--yt-rev-text-primary);
    font-family: 'Sora', sans-serif;
    font-weight: 600;
    transition: all 0.2s ease;
}

.yt-input:hover {
    border-color: #CBD5DF;
    background: var(--yt-rev-surface);
}

.yt-input:focus {
    outline: none;
    border-color: var(--yt-rev-primary);
    background: var(--yt-rev-surface);
    box-shadow: 0 0 0 4px rgba(0, 200, 83, 0.1);
}

.cpm-range-info {
    margin-top: 12px;
    padding: 16px;
    background: #F8F9FA;
    border-radius: 12px;
    border: 1px solid var(--yt-rev-border);
}

.range-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--yt-rev-text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.range-buttons {
    display: flex;
    gap: 8px;
}

.range-btn {
    flex: 1;
    padding: 10px 16px;
    background: white;
    border: 2px solid var(--yt-rev-border);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--yt-rev-text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Archivo', sans-serif;
}

.range-btn:hover {
    border-color: var(--yt-rev-primary);
    background: #F0FDF4;
    color: var(--yt-rev-primary);
}

.range-btn:active {
    transform: scale(0.98);
}

.yt-slider {
    width: 100%;
    height: 8px;
    border-radius: 100px;
    background: linear-gradient(to right, #E8EBED 0%, var(--yt-rev-primary) 100%);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.yt-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--yt-rev-gradient-success);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 200, 83, 0.4);
    border: 3px solid white;
}

.yt-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--yt-rev-gradient-success);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 200, 83, 0.4);
    border: 3px solid white;
}

.slider-value {
    text-align: center;
    margin-top: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--yt-rev-primary);
    font-family: 'Sora', sans-serif;
}

.yt-rev-button {
    width: 100%;
    padding: 18px 28px;
    background: var(--yt-rev-gradient-success);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 17px;
    font-weight: 700;
    font-family: 'Sora', sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 36px;
    box-shadow: 0 8px 20px rgba(0, 200, 83, 0.35);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.yt-rev-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.yt-rev-button:hover::before {
    width: 400px;
    height: 400px;
}

.yt-rev-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 200, 83, 0.45);
}

.yt-rev-button:active {
    transform: translateY(0);
}

.button-icon {
    font-size: 24px;
    position: relative;
    z-index: 1;
}

.button-text {
    position: relative;
    z-index: 1;
}

.yt-rev-results {
    padding: 40px 36px;
    background: linear-gradient(135deg, #FAFBFC 0%, #F8F9FA 100%);
    border-top: 1px solid var(--yt-rev-border);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.yt-rev-results-header {
    text-align: center;
    margin-bottom: 32px;
}

.yt-rev-results-header h3 {
    font-family: 'Sora', sans-serif;
    font-size: 24px;
    font-weight: 800;
    color: var(--yt-rev-text-primary);
    margin: 0 0 8px 0;
}

.results-disclaimer {
    font-size: 13px;
    color: var(--yt-rev-text-muted);
    margin: 0;
}

.yt-earnings-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.earnings-card {
    background: white;
    border-radius: 18px;
    padding: 28px 20px;
    text-align: center;
    border: 2px solid var(--yt-rev-border);
    box-shadow: var(--yt-rev-shadow-sm);
    transition: all 0.3s ease;
    animation: cardSlideIn 0.6s ease-out backwards;
}

.earnings-card:nth-child(1) { animation-delay: 0.1s; }
.earnings-card:nth-child(2) { animation-delay: 0.2s; }
.earnings-card:nth-child(3) { animation-delay: 0.3s; }
.earnings-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.earnings-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--yt-rev-shadow-lg);
    border-color: var(--yt-rev-primary-light);
}

.primary-card {
    background: var(--yt-rev-gradient-success);
    border-color: var(--yt-rev-primary);
    color: white;
}

.primary-card .earnings-period,
.primary-card .earnings-views {
    color: rgba(255, 255, 255, 0.9);
}

.highlight-card {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFF4CC 100%);
    border-color: var(--yt-rev-secondary);
}

.earnings-period {
    font-size: 13px;
    font-weight: 600;
    color: var(--yt-rev-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.earnings-amount {
    font-size: 32px;
    font-weight: 800;
    color: var(--yt-rev-text-primary);
    font-family: 'Sora', sans-serif;
    line-height: 1;
    margin-bottom: 8px;
}

.primary-card .earnings-amount {
    color: white;
}

.earnings-subtext,
.earnings-views {
    font-size: 13px;
    color: var(--yt-rev-text-muted);
    font-weight: 500;
}

.yt-breakdown-section {
    background: white;
    border-radius: 18px;
    padding: 28px;
    border: 2px solid var(--yt-rev-border);
    margin-bottom: 24px;
    animation: cardSlideIn 0.6s ease-out 0.5s backwards;
}

.breakdown-title {
    font-family: 'Sora', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--yt-rev-text-primary);
    margin: 0 0 20px 0;
}

.breakdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.breakdown-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.breakdown-label {
    font-size: 13px;
    color: var(--yt-rev-text-secondary);
    font-weight: 600;
}

.breakdown-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--yt-rev-text-primary);
    font-family: 'Sora', sans-serif;
}

.yt-tips-section {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFF4CC 100%);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    border: 2px solid var(--yt-rev-secondary);
    animation: cardSlideIn 0.6s ease-out 0.6s backwards;
}

.tip-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.tip-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--yt-rev-text-primary);
}

.tip-content strong {
    font-weight: 700;
    color: var(--yt-rev-accent);
}

@media (max-width: 640px) {
    .yt-revenue-calculator {
        padding: 12px;
    }
    
    .yt-rev-header {
        padding: 36px 24px 28px;
    }
    
    .yt-rev-title {
        font-size: 26px;
    }
    
    .yt-rev-subtitle {
        font-size: 14px;
    }
    
    .yt-rev-body,
    .yt-rev-results {
        padding: 28px 24px;
    }
    
    .range-buttons {
        flex-direction: column;
    }
    
    .yt-earnings-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .breakdown-grid {
        grid-template-columns: 1fr;
    }
}