@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.glass-morphism {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.info-tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
}

.info-tooltip .tooltip-text {
    visibility: hidden;
    width: 280px;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    color: #fff;
    text-align: left;
    border-radius: 12px;
    padding: 12px 16px;
    position: absolute;
    z-index: 50;
    bottom: 130%;
    left: 50%;
    margin-left: -140px;
    opacity: 0;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    font-weight: 400;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.info-tooltip .tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -8px;
    border-width: 8px;
    border-style: solid;
    border-color: #1f2937 transparent transparent transparent;
}

.info-tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
    transform: translateY(-4px);
}

.custom-range {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(to right, #e5e7eb 0%, #e5e7eb 100%);
}

.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transition: all 0.2s ease;
}

.custom-range::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.custom-range::-moz-range-thumb {
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    cursor: pointer;
}

.winner-glow {
    animation: winner-pulse 2s ease-in-out infinite;
    border: 2px solid #10b981;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
}

@keyframes winner-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.3); }
    50% { box-shadow: 0 0 30px rgba(16, 185, 129, 0.5); }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.loading-spinner {
    border: 3px solid #f3f4f6;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.metric-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.offer-input {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.offer-input:focus {
    background: rgba(255, 255, 255, 1);
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.result-card.selected {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --tw-ring-color: #3b82f6;
    --tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
    --tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width)) var(--tw-ring-color);
    box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow, 0 0 #0000);
}