:root {
    --font-family-sans: 'Manrope', sans-serif;
    --color-background: #F9FAFB; /* gray-50 */
    --color-text-primary: #1F2937; /* gray-800 */
    --color-text-secondary: #6B7280; /* gray-500 */
    --color-accent: #4A90E2;
    --color-border: #E5E7EB; /* gray-200 */
    --color-white: #FFFFFF;
}

body {
    font-family: var(--font-family-sans);
    background-color: var(--color-background);
    color: var(--color-text-primary);
}

#summary-header {
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.text-accent {
    color: var(--color-accent);
}


/* Custom Checkbox */
.custom-checkbox {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    height: 1.25rem;
    width: 1.25rem;
    border-radius: 0.375rem;
    border: 2px solid var(--color-border);
    background-color: var(--color-white);
    transition: background-color 0.2s, border-color 0.2s;
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
}

.custom-checkbox:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.custom-checkbox:checked::after {
    content: '';
    position: absolute;
    left: 0.3rem;
    top: 0.05rem;
    width: 0.4rem;
    height: 0.8rem;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.custom-checkbox:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.3);
}

/* Custom Radio Button */
.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    transition: color 0.2s;
}

.radio-label.disabled {
    cursor: not-allowed;
    color: var(--color-text-secondary);
}

.custom-radio {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    background-color: var(--color-white);
    margin-right: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.radio-label:not(.disabled) .custom-radio:hover {
    border-color: var(--color-accent);
}

.custom-radio:checked {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
}

.custom-radio:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: var(--color-white);
    transform: translate(-50%, -50%);
}

.custom-radio:disabled {
    background-color: #F3F4F6; /* gray-100 */
    border-color: var(--color-border);
    cursor: not-allowed;
}

.custom-radio:disabled:checked {
    background-color: #D1D5DB; /* gray-300 */
    border-color: #9CA3AF; /* gray-400 */
}

.custom-radio:disabled:checked::after {
    background-color: #F9FAFB;
}

.custom-radio:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.3);
}